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Paternal nondisjunction in trisomy 21: excess of male patients. M B Petersen ... M Mikkelsen Hum Mol Genet 1993 Oct; 2(10)1691-5. Score: 0.719 Trisomy 4 due to nondisjunction during maternal meiosis II. I Bartels ... I Hansmann Clin Genet 1986 Aug; 30(2)142. Score: 0.715 Chromosome studies in 500 induced abortions. M Yamamoto ... G Watanabe Humangenetik 1975 Aug; 29(1)9-14. Score: 0.712 Trisomy 18 and a constitutional maternal translocation (2;18). I E Teshima ... M I Van Allen Am J Med Genet 1992 Jul; 43(4)759-61. Score: 0.680 Origin of nondisjunction in trisomy 8 and trisomy 8 mosaicism. G Karadima ... M B Petersen Eur J Hum Genet 1998 Sep-Oct; 6(5)432-8. Score: 0.671 Nondisjunction in trisomy 21: origin and mechanisms. M B Petersen ... M Mikkelsen Cytogenet Cell Genet 2000 ; 91(1-4)199-203. Score: 0.665 Two unique patients with trisomy 18 mosaicism and molecular marker studies. A Slavotinek ... H Kingston Am J Med Genet A 2003 Mar; 117(3)282-8. Score: 0.656 Recurrent trisomy 21 in a couple with a child presenting trisomy 21 mosaicism and maternal uniparental disomy for chromosome 21 in the euploid cell line. H Bruyère ... W P Robinson Am J Med Genet 2000 Sep; 94(1)35-41. Score: 0.649 Trisomy 21 mosaicism and maternal age effect. G B Peters ... J K Nicholl Lancet 1987 May; 1(8543)1202-3. Score: 0.644 Cerebellar hypoplasia, zonular cataract, and peripheral neuropathy in trisomy 17 mosaicism. Paulien Terhal ... Jacques Giltay Am J Med Genet A 2004 Nov; 130(4)410-4. Score: 0.637 Maternal meiosis II nondisjunction in trisomy 21 is associated with maternal low socioeconomic status. Roberta E Christianson ... Claudine P Torfs Genet Med 2004 Nov-Dec; 6(6)487-94. Score: 0.636 Trisomy for the short arm of chromosome 10. Report of a new case resulting from segregation of a maternal balanced translocation t(10qter----q11::14p11----qter). I Delaroche ... M L Aebischer Helv Paediatr Acta 1984 May; 39(2)161-6. Score: 0.632 Mosaic trisomy 16 in a thriving infant: maternal heterodisomy for chromosome 16. N M Lindor ... P S Karnes Clin Genet 1993 Oct; 44(4)185-9. Score: 0.632 Analysis of the origin of the extra chromosome in trisomy 8 in 4 cases of spontaneous abortions. P Nicolaidis ... M B Petersen Fetal Diagn Ther 1998 Jan-Feb; 13(1)42-5. Score: 0.630 Trisomy of human chromosome 18: molecular studies on parental origin and cell stage of nondisjunction. T Eggermann ... G Schwanitz Hum Genet 1996 Feb; 97(2)218-23. Score: 0.622 Recombination and maternal age-dependent nondisjunction: molecular studies of trisomy 16. T Hassold ... S Sherman Am J Hum Genet 1995 Oct; 57(4)867-74. Score: 0.621 Trisomy and D/G translocation mongolism in brothers. T H Ingalls ... T A Henry N Engl J Med 1968 Jan; 278(1)10-4. Score: 0.618 Double autosomal trisomy (D trisomy plus mongolism). K L BECKER ... A ALBERT Mayo Clin Proc 1963 Jun; 38()242-8. Score: 0.606 Origin of extra chromosome in Patau syndrome. S Ishikiriyama ... N Niikawa Hum Genet 1984 ; 68(3)266-8. Score: 0.606 [Alpha fetoprotein in maternal serum in pregnancies with trisomy 18] U Dix ... U Langenbeck Z Geburtshilfe Perinatol 1988 Sep-Oct; 192(5)231-3. Score: 0.605 Trisomy 9p resulting from maternal 9/21 translocation. I Sŭbrt ... B Pallová Hum Genet 1976 May; 32(2)217-20. Score: 0.603 A mildly retarded woman with 46,XX/47,XX, + 18 mosaicism. J T Bensen ... M W Steele Am J Med Genet 1985 Oct; 22(2)343-6. Score: 0.603 MATERNAL MOSAICISM AND DOWN'S SYNDROME (MONGOLISM). E D WEINSTEIN ... J WARKANY J Pediatr 1963 Oct; 63()599-604. Score: 0.602 A case with laryngeal atresia and partial trisomy 9 due to maternal 9;16 translocation. M J Van den Boogaard ... R C Hennekam Genet Couns 1991 ; 2(2)83-91. Score: 0.601 De novo trisomy 22 due to an extra 22Q-chromosome. C Stoll ... A Schnebelen Ann Genet 1997 ; 40(4)217-21. Score: 0.601 Nondisjunction of human acrocentric chromosomes: studies of 432 trisomic fetuses and liveborns. M V Zaragoza ... T Hassold Hum Genet 1994 Oct; 94(4)411-7. Score: 0.598 Maternal age in familial mongolism. L S PENROSE J Ment Sci 1951 Oct; 97(409)738-47. Score: 0.598 Two cases of trisomy 8 mosaicism. I Kondo Jinrui Idengaku Zasshi 1976 Jun; 21(1)5-11. Score: 0.595 Maternal trisomy 21 mosaicism and recurrent spontaneous abortion. Pao-Lin Kuo Fertil Steril 2002 Aug; 78(2)432-3. Score: 0.595 [The parental origin of the extra chromosome 21 in Down's syndrome] A J Hamers ... P H Jongbloet Tijdschr Kindergeneeskd 1983 Oct; 51(5)157-62. Score: 0.593 The meiotic stage of nondisjunction in trisomy 21: determination by using DNA polymorphisms. S E Antonarakis ... M Hafez Am J Hum Genet 1992 Mar; 50(3)544-50. Score: 0.592 Parental origin of the extra chromosome in prenatally diagnosed fetal trisomy 21. F Muller ... E Mornet Hum Genet 2000 Mar; 106(3)340-4. Score: 0.590 Mongolism and missed mongolism following maternal illness. E E BROWN Arch Pediatr 1953 Dec; 70(12)389-94. Score: 0.587 Different forms of incomplete trisomy 13. Mosaicism and partial trisomy for the proxim. A Schinzel ... W Schmid Humangenetik 1974 ; 22(4)287-98. Score: 0.585 The effect of maternal age on the frequency of trisomy: change in meiosis or in utero selection? D Warburton Prog Clin Biol Res 1989 ; 311()165-81. Score: 0.585 Familial translocation with partial trisomy of 13 and 22: evidence that specific regions of chromosomes 13 and 22 are responsible for the phenotype of each trisomy. H J Kim ... K Hirschhorn J Med Genet 1977 Apr; 14(2)114-9. Score: 0.585 Secondary nondisjunction causing regular trisomy 21 in the offspring of a mosaic trisomy 21 mother. E Krmpotic ... M B Hardin Am J Obstet Gynecol 1971 Jun; 110(4)589-90. Score: 0.584 Familial partial trisomy 15. M M Power ... J G Masterson Ann Genet 1977 Sep; 20(3)159-65. Score: 0.576 Clinical and molecular studies in full trisomy 22: further delineation of the phenotype and review of the literature. C A Bacino ... J M Graham Am J Med Genet 1995 May; 56(4)359-65. Score: 0.576 The E syndrome (trisomy 17-18) resulting from a maternal chromosomal translocation. H R BRODIE ... L DALLAIRE Can Med Assoc J 1962 Sep; 87()559-61. Score: 0.574 Trisomy 9 mosaicism in two girls with multiple congenital malformations and mental retardation. C Stoll ... J C Luckel J Med Genet 1993 May; 30(5)433-5. Score: 0.573 Advanced parental age in maternal uniparental disomy (UPD): implications for the mechanism of formation. Dieter Kotzot Eur J Hum Genet 2004 May; 12(5)343-6. Score: 0.573 Clustering of chromosomal aneuploidy and tracing of nondisjunction in man. I Hansmann Environ Health Perspect 1979 Aug; 31()23-5. Score: 0.573 Third Prader-Willi syndrome phenotype due to maternal uniparental disomy 15 with mosaic trisomy 15. E Olander ... E A Wulfsberg Am J Med Genet 2000 Jul; 93(3)215-8. Score: 0.573 Unusual phenotype in partial trisomy 14. E G Lemire ... S Cardwell Am J Med Genet 1999 Dec; 87(4)294-6. Score: 0.571 Trisomy first, translocation second, uniparental disomy and partial trisomy third: a new mechanism for complex chromosomal aneuploidy. A Schinzel ... B Ausserer Eur J Hum Genet 1997 Sep-Oct; 5(5)308-14. Score: 0.569 Origin of trisomy 21 in Down syndrome cases from a Spanish population registry. D Gómez ... M R Caballín Ann Genet 2000 Jan-Mar; 43(1)23-8. Score: 0.568 Trisomy 12p due to an adjacent 1 segregation of a maternal reciprocal translocation t(12;18) (p11;q23). R Tenconi ... A Formica Ann Genet 1978 Dec; 21(4)229-33. Score: 0.566 Trisomy 14 mosaicism: case report and review. V P Johnson ... C Likness Am J Med Genet 1979 ; 3(4)331-9. Score: 0.563 Parental origin of chromosome abnormalities in spontaneous abortions. G H Meulenbroek ... J P Geraedts Hum Genet 1982 ; 62(2)129-33. Score: 0.563 When does maternal age-dependent trisomy 21 arise relative to meiosis? C J Zheng ... B Byers Am J Hum Genet 1996 Jul; 59(1)268-9. Score: 0.563 Trisomy 8 syndrome. A report of 2 cases. D Ioan ... C Maximilian Endocrinologie 1986 Jan-Mar; 24(1)45-8. Score: 0.562 Partial trisomy 15q1. R A Pfeiffer ... E Kessel Hum Genet 1976 Jul; 33(1)77-83. Score: 0.560 Mitotic errors in somatic cells cause trisomy 21 in about 4.5% of cases and are not associated with advanced maternal age. S E Antonarakis ... A A Schinzel Nat Genet 1993 Feb; 3(2)146-50. Score: 0.557 Trisomy 9q-. a variant of the 9p trisomy syndrome. W R Centerwall ... C C Cha Humangenetik 1975 Sep; 29(2)91-8. Score: 0.556 Origin and mechanisms of non-disjunction in human autosomal trisomies. P Nicolaidis ... M B Petersen Hum Reprod 1998 Feb; 13(2)313-9. Score: 0.555 Maternal uniparental isodisomy 20 in a foetus with trisomy 20 mosaicism: clinical, cytogenetic and molecular analysis. Voula Velissariou ... Michael B Petersen Eur J Hum Genet 2002 Nov; 10(11)694-8. Score: 0.555 Double autosomal trisomy (trisomy D+G) with mosaicism. I H Porter ... C D Brown J Med Genet 1969 Sep; 6(3)347-8. Score: 0.555 Mongolian idiocy (mongolism) and maternal age. L S PENROSE Ann N Y Acad Sci 1954 Jan; 57(5)494-502. Score: 0.553 Curve fitting, maternal age and mongolism. W H James Hum Hered 1970 ; 20(4)417-9. Score: 0.553 Molecular studies of the aetiology of trisomy 8 in spontaneous abortions and the liveborn population. R S James ... P A Jacobs Hum Genet 1996 Mar; 97(3)283-6. Score: 0.552 Evidence from skewed X inactivation for trisomy mosaicism in Silver-Russell syndrome. A Sharp ... T Eggermann Eur J Hum Genet 2001 Dec; 9(12)887-91. Score: 0.552 Parental origin of the extra chromosome 18 in Edwards syndrome. K H Ramesh ... R S Verma Ann Genet 1996 ; 39(2)110-2. Score: 0.552 Molecular study of parental origin of extra chromosome 21 in regular and de novo translocation trisomies. C Brahe ... A Serra Am J Med Genet Suppl 1990 ; 7()125-8. Score: 0.550 Origin of the extra chromosome in trisomy 21. J F Mattei ... F Giraud Hum Genet 1979 Jan; 46(1)107-10. Score: 0.549 Maternal age in trisomy. N E Morton ... D Wu Ann Hum Genet 1988 Jul; 52(Pt 3)227-35. Score: 0.549 [Partial trisomy 15q due to maternal translocation t(7;15)(q35;14)] Y Castel ... L Toudic Ann Genet 1976 Mar; 19(1)15-9. Score: 0.549 Trisomy in man. T J Hassold ... P A Jacobs Annu Rev Genet 1984 ; 18()69-97. Score: 0.547 Origin of the extra chromosome in trisomy 16. J G Lauritsen ... U Friedrich Clin Genet 1976 Sep; 10(3)156-60. Score: 0.547 Molecular studies of trisomy 18. J M Fisher ... P A Jacobs Am J Hum Genet 1993 Jun; 52(6)1139-44. Score: 0.546 [Trisomy 4p as result of a maternal translocation t(4;8)(q11;p23)] M Stumm ... P Wieacker Klin Padiatr 1999 Jan-Feb; 211(1)35-9. Score: 0.545 Trisomy 20 mosaicism. P Miny ... I H Pawlowitzki Prenat Diagn 1984 Nov-Dec; 4(6)411-9. Score: 0.545 Partial trisomy 20. A Delicado ... R Gracia Ann Genet 1981 ; 24(1)54-6. Score: 0.544 A case of maternal uniparental disomy of chromosome 9 in association with confined placental mosaicism for trisomy 9. T A Wilkinson ... I K Temple Prenat Diagn 1996 Apr; 16(4)371-4. Score: 0.544 [Partial trisomy of the long arm of the chromosme 11 by malsegregation of a maternal translocation t(11;22)(q23 1;q1 11)] B Noel ... M O Rethoré Ann Genet 1976 Jun; 19(2)137. Score: 0.544 Origin of acrocentric trisomies in spontaneous abortuses. N Niikawa ... T Kajii Hum Genet 1977 Dec; 40(1)73-8. Score: 0.544 Partial trisomy 2p. S M Pueschel ... T Mendoza J Ment Defic Res 1987 Sep; 31 ( Pt 3)()293-8. Score: 0.544 Mosaicism for trisomy 12: four cases with varying outcomes. F Z Bischoff ... L G Shaffer Prenat Diagn 1995 Nov; 15(11)1017-26. Score: 0.543 Maternal serum CA 125 for aneuploidy detection in early pregnancy. M E Norton ... M S Golbus Prenat Diagn 1992 Sep; 12(9)779-81. Score: 0.542 Prenatal diagnosis of uniparental disomy 15 following trisomy 15 mosaicism. S L Christian ... D H Ledbetter Prenat Diagn 1996 Apr; 16(4)323-32. Score: 0.541 E trisomy phenotype associated with small metacentric chromosome and a familial Y-22 translocation. K W Dumars ... E Larson Birth Defects Orig Artic Ser 1976 ; 12(5)97-104. Score: 0.540 Partial trisomy 16q in two boys resulting from a maternal translocation, t(15;16)(p12;q11). N C Nevin ... M M Reid Clin Genet 1983 Nov; 24(5)375-9. Score: 0.539 [Partial trisomy of chromosome 21 by maternal translocation t(15;21) (q26.2; q21)] O Raoul ... J Lejeune Ann Genet 1976 Sep; 19(3)187-90. Score: 0.538 Trisomy 14 mosaicism in a 2 year old girl. M B Petersen ... B Beck J Med Genet 1986 Feb; 23(1)86-8. Score: 0.536 Trisomy 21 and maternal age of menopause: does reproductive age rather than chronological age influence risk of nondisjunction? O P Phillips ... S Elias Hum Genet 1995 Jan; 95(1)117-8. Score: 0.536 Trisomy 21: association between reduced recombination and nondisjunction. S L Sherman ... I Uchida Am J Hum Genet 1991 Sep; 49(3)608-20. Score: 0.536 Trisomy 16q23----qter arising from a maternal t(13;16)(p12;q23): case report and evidence of the reciprocal balanced maternal rearrangement by the Ag-NOR technique. J B Savary ... M M Deminatti Hum Genet 1991 Nov; 88(1)115-8. Score: 0.535 Partial trisomy 14q and familial translocation (2;14) (q12;q13). R Coco ... V B Penchaszadeh Ann Genet 1977 Mar; 20(1)41-4. Score: 0.533 Mosaicism for trisomy 17-18 and trisomy 13-15 in man. A G Baikie ... R G Birrell Nature 1965 Sep; 207(5004)1419-20. Score: 0.532 Karyotype-phenotype correlation in partial trisomy 13. Report of a case due to maternal translocation. E Bonioli ... M G Vianello Am J Dis Child 1981 Dec; 135(12)1115-7. Score: 0.532 Effect of meiotic recombination on the production of aneuploid gametes in humans. N E Lamb ... T J Hassold Cytogenet Genome Res 2005 ; 111(3-4)250-5. Score: 0.532 Trisomy 21 mosaicism in a woman with two children with trisomy 21 Down's syndrome. S Kaffe ... K Hirschhorn J Med Genet 1974 Dec; 11(4)378-9. Score: 0.532 [Partial trisomy 18 (pter leads to q122) of maternal origin (author's transl)] J Y Jaffray ... P Malet Ann Genet 1980 ; 23(4)224-7. Score: 0.531 Cytogenetic and molecular studies of trisomy 13. T Hassold ... M Sheldon J Med Genet 1987 Dec; 24(12)725-32. Score: 0.531 Regular G21-trisomy in 3 sibs from mother with trisomy 21 mosaicism. A Osuna ... A Moreno J Med Genet 1977 Aug; 14(4)286-7. Score: 0.531 CYTOGENETICS OF DOWN'S SYNDROME (MONGOLISM). II. THE FREQUENCY OF INTERCHANGE TRISOMY IN PATIENTS BORN AT A MATERNAL AGE OF LESS THAN 30 YEARS. F GIANNELLI ... C O CARTER Cytogenetics 1965 ; 104()186-92. Score: 0.531 Maternal origin of a unique extra chromosome, der(9)(pter-->q13::q13-->q12:) in a girl with typical trisomy 9p syndrome. M Teraoka ... Y Seino Am J Med Genet 2001 Jul; 102(1)25-8. Score: 0.530 Maternal uniparental disomy for chromosome 2 in association with confined placental mosaicism for trisomy 2 and severe intrauterine growth retardation. A L Webb ... J Wolstenholme Prenat Diagn 1996 Oct; 16(10)958-62. Score: 0.530 [Partial trisomy 21 (21q21 - 21q22.2)] M Poissonnier ... G de Blignières-Strouk Ann Genet 1976 Mar; 19(1)69-73. Score: 0.529 Influence of advanced age of maternal grandmothers on Down syndrome. Suttur S Malini ... Nallur B Ramachandra BMC Med Genet 2006 ; 7()4. Score: 0.529 Attrition of trisomies as a maternal screening device. An explanation of the association of trisomy 21 with maternal age. Z Stein ... M Susser Lancet 1986 Apr; 1(8487)944-7. Score: 0.529 A case of maternal uniparental disomy of chromosome 9 diagnosed prenatally and the related problem of residual trisomy. H R Slater ... C Roberts Prenat Diagn 2000 Nov; 20(11)930-2. Score: 0.529 Down's syndrome in brother and sister without evident trisomy 21. C Parloir ... H Van den Berghe Hum Genet 1979 Oct; 51(2)227-30. Score: 0.528 Severe intra-uterine growth retardation in a patient with maternal uniparental disomy 22 and a 22-trisomic placenta. D Balmer ... A Schinzel Prenat Diagn 1999 Nov; 19(11)1061-4. Score: 0.527 Parental origin of the supernumerary chromosome in trisomy 18. X Ya-gang ... A A Schinzel Clin Genet 1993 Aug; 44(2)57-61. Score: 0.527 Trisomy 4q31----qter due to a maternal 4/8 translocation. G Annerén ... P O Lübeck Hereditas 1984 ; 100(1)45-9. Score: 0.526 Partial trisomy 16q resulting from maternal translocation. P Balestrazzi ... B Dallapiccola Hum Genet 1979 Jun; 49(2)229-35. Score: 0.526 Trisomy 18 in Greece. Seven cases of pure trisomy 18 and one with a D-G translocation. O M Chrysostomidou ... C S Bartsocas Acta Paediatr Scand 1971 Sep; 60(5)591-3. Score: 0.526 Differential effect of advanced maternal age on prenatal diagnosis of trisomies 13, 18 and 21. A Drugan ... M I Evans Fetal Diagn Ther 1999 May-Jun; 14(3)181-4. Score: 0.526 Maternal uniparental disomy 7--review and further delineation of the phenotype. D Kotzot ... A Schinzel Eur J Pediatr 2000 Apr; 159(4)247-56. Score: 0.525 Isochromosome 18p results from maternal meiosis II nondisjunction. D Kotzot ... A Schinzel Eur J Hum Genet 1996 ; 4(3)168-74. Score: 0.525 Hemifacial microsomia in two patients further supporting chromosomal mosaicism as a causative factor. T J de Ravel ... J P Fryns Clin Dysmorphol 2001 Oct; 10(4)263-7. Score: 0.524 Prenatal diagnosis of mosaic trisomy 9. T M Zadeh ... C Sandlin Prenat Diagn 1987 ; 7(1)67-70. Score: 0.524 [Familial chromosome translocation (1;5;15) as a cause of partial trisomy 1p] M Schürmann ... E Schwinger Klin Padiatr 1987 Jan-Feb; 199(1)27-31. Score: 0.523 Cytogenetic profile of Down syndrome in Alexandria, Egypt. M M Mokhtar ... H S Mahrous East Mediterr Health J 2003 Jan-Mar; 9(1-2)37-44. Score: 0.522 [Partial 10q trisomy (q24;q ter) caused by a balanced maternal translocation t(6;10)(q26;q24)] A G Aledo ... A Peralta An Esp Pediatr 1982 Aug; 17(2)125-9. Score: 0.522 Trisomy 14 mosaicism syndrome. M H Lipson Am J Med Genet 1987 Mar; 26(3)541-4. Score: 0.522 Molecular studies of non-disjunction in trisomy 16. T J Hassold ... N Takaesu J Med Genet 1991 Mar; 28(3)159-62. Score: 0.522 [Partial 14q trisomy. I. Partial 14q trisomy by maternal translocation t(10;14) (p15.2;q22)] O Raoul ... J Lejeune Ann Genet 1975 Mar; 18(1)35-9. Score: 0.522 [Partial chromosome 9 trisomy in a child--the result of maternal translocation of chromosomes 3 and 9] L Ia Levina ... N S Petreĭkova Pediatriia 1988 ; (5)95-8. Score: 0.521 Trisomy 14 mosaicism with t(14;15)(q11;p11) in offspring of a balanced translocation carrier mother. A Fujimoto ... M G Wilson Am J Med Genet 1985 Oct; 22(2)333-42. Score: 0.521 [Complete Down's syndrome in a boy, formed by chromosomic mosaicism 46-XY isochromosome 21 and 47-XY, trisomy 21 with mosaicism of the mother 46-XX and 47-XX, trisomy 21)] A Raichs ... M Tamparillas Sangre (Barc) 1967 ; 12(1)71-80. Score: 0.520 [Partial trisomy of chromosome 7 due to balanced chromosome translocation in the father] P Stumpner Geburtshilfe Frauenheilkd 1989 Dec; 49(12)1090-2. Score: 0.519 Trisomy 16q arising from a maternal 15p;16q translocation. M A Ridler ... J A McKeown J Med Genet 1979 Aug; 16(4)317-20. Score: 0.519 Maternal age-specific rates of numerical chromosome abnormalities with special reference to trisomy. T Hassold ... D Chiu Hum Genet 1985 ; 70(1)11-7. Score: 0.519 [Secondary trisomy 1 q due to a reciprocal maternal translocation] G Bourrouillou ... P Blanc C R Seances Soc Biol Fil 1978 ; 172(2)359-62. Score: 0.518 Partial trisomy of chromosome 10(q22-q24) due to maternal insertional translocation (15;10). J Y Han ... L G Shaffer Am J Med Genet A 2004 Dec; 131(2)190-3. Score: 0.518 An unexpected high frequency of trisomic fetuses in 229 pregnancies monitored for advanced maternal age. E S Sachs ... H Galjaard Hum Genet 1977 Apr; 36(1)43-6. Score: 0.518 Partial trisomy 22: a recognizable syndrome. P Garlinger ... E Magenis Clin Genet 1977 Jul; 12(1)9-16. Score: 0.517 Effects of maternal age on mongolism. K Bushra ... N A Jafarey J Pak Med Assoc 1975 Aug; 25(8)194-7. Score: 0.517 Effects of maternal age on mongolism. K Bushra ... N A Jafarey J Pak Med Assoc 1975 Aug; 25(8)194-7. Score: 0.517 Trisomy 21 and trisomy 18 in half-siblings. T J David ... A J Jones Humangenetik 1975 ; 27(4)351-2. Score: 0.517 [Maternal serum markers of fetal trisomy 21] F Muller ... B Chevallier Presse Med 1995 Sep; 24(27)1265-9. Score: 0.516 Mental and psychomotoric retardation in two brothers with pure partial trisomy 7q32-q34 due to a maternal insertion (14;7). J Löffler ... M Erdel Am J Med Genet 2000 Apr; 91(4)291-7. Score: 0.516 Prospective first-trimester screening for trisomy 21 in 30,564 pregnancies. Kyriaki Avgidou ... Kypros H Nicolaides Am J Obstet Gynecol 2005 Jun; 192(6)1761-7. Score: 0.516 Parental trisomy 21 mosaicism. D J Harris ... R E Magenis Am J Hum Genet 1982 Jan; 34(1)125-33. Score: 0.515 Two cases of confined placental mosaicism for chromosome 4, including one with maternal uniparental disomy. B D Kuchinka ... W P Robinson Prenat Diagn 2001 Jan; 21(1)36-9. Score: 0.515 Trisomy 18 and trisomy 21 mosaicism in a Down's syndrome patient. I M Thomas ... H Sridevi J Med Genet 1994 May; 31(5)418-9. Score: 0.515 Noonan syndrome and trisomy 21 mongolism in sibs. J W Bianchine Am J Dis Child 1973 Dec; 126(6)823-6. Score: 0.514 Trisomy 18 (29 cases) and trisomy 13 (19 cases): a summary. M E Hodes ... T Reed Birth Defects Orig Artic Ser 1978 ; 14(6C)377-82. Score: 0.513 Coincident maternal meiotic nondisjunction of chromosomes X and 21 without evidence of autosomal asynapsis. R S Ikonen ... A de la Chapelle Hum Genet 1989 Oct; 83(3)235-8. Score: 0.513 Trisomy 21 with 47,+18 lymphocyte cell line: double mitotic nondisjunction. M B Jenkins ... A Barnwell J Med Genet 1978 Oct; 15(5)395-8. Score: 0.512 Myelodysplastic syndrome in a child with constitutional trisomy 8 mosaicism and normal phenotype. H Hasle ... K Bendix-Hansen Cancer Genet Cytogenet 1995 Jan; 79(1)79-81. Score: 0.512 Non-disjunction of chromosome 21 in maternal meiosis I: evidence for a maternal age-dependent mechanism involving reduced recombination. S L Sherman ... T J Hassold Hum Mol Genet 1994 Sep; 3(9)1529-35. Score: 0.512 Trisomy 9: review and report of two new cases. G L Arnold ... J R Sawyer Am J Med Genet 1995 Apr; 56(3)252-7. Score: 0.512 Establishment of a new human B-cell line (BONNA-12) with trisomy 9 and trisomy 12 chromosomal abnormality. J C Kluin-Nelemans ... J H Jansen Leukemia 1992 Feb; 6(2)158. Score: 0.511 Trisomy 9 screened positive for trisomy 18 by maternal serum screening. Fady Khoury-Collado ... Zeev Weiner Prenat Diagn 2004 Oct; 24(10)836-8. Score: 0.511 Origin of extra chromosome in trisomy 21. J A Robinson Lancet 1973 Jan; 1(7795)131-3. Score: 0.511 Unusual supernumerary chromosomes: types encountered in a referred population, and high incidence of associated maternal chromosome abnormalities. J Stamberg ... G H Thomas Hum Genet 1986 Feb; 72(2)140-4. Score: 0.511 Chromosomal mosaicism and mongolism. H ZELLWEGER ... G ABBO Lancet 1963 Apr; 1()827. Score: 0.511 Origin of nondisjunction in trisomy 21 syndrome: all studies compiled, parental age analysis, and international comparisons. R C Juberg ... P N Mowrey Am J Med Genet 1983 Sep; 16(1)111-6. Score: 0.511 Trisomy 18qter and trisomy mapping of chromosome 18. C Turleau ... J de Grouchy Clin Genet 1977 Dec; 12(6)361-71. Score: 0.510 Trisomy 18 in sibs and maternal chromosome 9 variant. R M Pauli ... J G Hall Birth Defects Orig Artic Ser 1978 ; 14(6C)297-301. Score: 0.510 [Aberrations of chromosome 18 and their significance in genetic counseling] T Eggermann ... G Schwanitz Orv Hetil 2000 Jul; 141(30)1667-71. Score: 0.509 Chromosome abnormality in mongolism. C E BLANK Proc R Soc Med 1962 Jun; 55()475-7. Score: 0.508 Postnatal placental confirmation of trisomy 2 and trisomy 16 detected at chorionic villus sampling: a possible association with intrauterine growth retardation and elevated maternal serum alpha-fetoprotein. J S Fryburg ... M J Mahoney Prenat Diagn 1992 Mar; 12(3)157-62. Score: 0.508 Supernumerary chromosome inherited from a maternal balanced translocation leading to pure trisomy 9p. F Tihy ... N Lemieux Am J Med Genet 2000 Apr; 91(5)383-6. Score: 0.508 The chromosome abnormality in mongolism. D H CARR Can Med Assoc J 1962 Sep; 87()490-5. Score: 0.508 Parental origin of the extra chromosome in trisomy 21 as indicated by analysis of DNA polymorphisms. Down Syndrome Collaborative Group. S E Antonarakis N Engl J Med 1991 Mar; 324(13)872-6. Score: 0.507 Parental age and the origin of extra chromosome 21 in Down syndrome. A Jyothy ... P P Reddy J Hum Genet 2001 ; 46(6)347-50. Score: 0.507 A new case of partial trisomy 15q-. A Geneix ... P Crost Hum Genet 1979 Oct; 51(3)335-8. Score: 0.506 Trisomy of chromosome 18 in the baboon (Papio hamadryas anubis). K H Howell ... N E Schlabritz-Loutsevitch Cytogenet Genome Res 2006 ; 112(1-2)76-81. Score: 0.506 Partial trisomy 8 (trisomy 8q2106 leads to 8qter). D Abuelo ... A Richardson J Med Genet 1977 Dec; 14(6)463-6. Score: 0.506 Parental origin of the extra chromosome in Down's syndrome. R E Magenis ... E Lovrien Hum Genet 1977 Jun; 37(1)7-16. Score: 0.503 Maternal origin of a trisomy 7 in a spontaneous abortus. J del Mazo ... J A Abrisqueta Obstet Gynecol 1979 Mar; 53(3 Suppl)18S-20S. Score: 0.503 Case of partial trisomy 9p and partial trisomy 14q resulting from a maternal translocation: overlapping manifestations of characteristic phenotypes. B Angle ... C W Cole Am J Med Genet 1999 May; 84(2)132-6. Score: 0.502 Maternal uniparental disomy 16 and genetic counseling: new case and survey of published cases. T Eggermann ... H E Hughes Genet Couns 2004 ; 15(2)183-90. Score: 0.502 The fetal phenotype of partial trisomy of the long arm of chromosome 4 (4q22----4qter). P Petit ... J P Fryns Genet Couns 1991 ; 2(3)163-5. Score: 0.501 Partial trisomy 8q in half-sisters with distinct dysmorphic patterns not similar to the trisomy 8 mosaicism syndrome. A Schinzel Hum Genet 1977 Jun; 37(1)17-26. Score: 0.501 Trisomy 4p: five new observations and overview. B Dallapiccola ... A Sommer Clin Genet 1977 Dec; 12(6)344-56. Score: 0.500 Variation in alphoid DNA size and trisomy 21: a possible cause of nondisjunction. K Maratou ... G E Davies Hum Genet 2000 May; 106(5)525-30. Score: 0.500 Trisomy 9 (pter----q1 to q3): the phenotype as an objective aid to karyotypic interpretation. M Preus ... K Kaijser Clin Genet 1984 Jul; 26(1)52-5. Score: 0.499 Analysis of nine pregnancies with confined placental mosaicism for trisomy 2. L G Shaffer ... D K Kalousek Prenat Diagn 1996 Oct; 16(10)899-905. Score: 0.499 Trisomy 10 mosaicism and maternal uniparental disomy 10 in a liveborn infant with severe congenital malformations. Johanne M D Hahnemann ... Merete Bugge Am J Med Genet A 2005 Oct; 138(2)150-4. Score: 0.499 Parental origin and cell stage of non-disjunction of double trisomy in spontaneous abortion. Qing Ying Li ... Shin-ichi Sonta Congenit Anom (Kyoto) 2005 Mar; 45(1)21-5. Score: 0.498 [Correlations between karyotype and phenotype in structural and numerical abnormalities of chromosome 18] R Vivarelli ... L Pucci Boll Soc Ital Biol Sper 1992 Apr; 68(4)263-9. Score: 0.498 A pair of siblings with diastrophic dysplasia and E trisomy mosaicism. G Holmgren ... I Nordenson Hum Hered 1984 ; 34(4)266-8. Score: 0.497 Cytogenetic evidence for enhanced selective miscarriage of trisomy 21 pregnancies with advancing maternal age. P G Kratzer ... R N Taylor Am J Med Genet 1992 Nov; 44(5)657-63. Score: 0.497 Partial trisomy 13: the myth of nonmongoloid trisomy G. S R Patil ... H Zellweger Clin Pediatr (Phila) 1981 Aug; 20(8)534-6. Score: 0.497 Molecular studies of translocations and trisomy involving chromosome 13. W P Robinson ... A A Schinzel Am J Med Genet 1996 Jan; 61(2)158-63. Score: 0.497 The problem of partial trisomy 22 reconsidered. G M Feldman ... R S Sparkes Hum Genet 1978 Nov; 45(1)97-101. Score: 0.497 An infant with trisomy 9 mosaicism presenting as a complete trisomy 9 by amniocentesis. D M Sherer ... J S Abramowicz Prenat Diagn 1992 Jan; 12(1)31-7. Score: 0.497 Trisomy 15 mosaicism in an IVF fetus. C P Bennett ... M J Seller J Med Genet 1992 Oct; 29(10)745-6. Score: 0.496 The incidence, origin, and etiology of aneuploidy. D K Griffin Int Rev Cytol 1996 ; 167()263-96. Score: 0.496 Correction of the evaluation of recombination in meiosis I and II nondisjunction in trisomy 21. S Sherman Am J Hum Genet 1992 May; 50(5)1137-8. Score: 0.495 Maternal health and mongolism. A COPPEN ... V COWIE Br Med J 1960 Jun; 1(5189)1843-7. Score: 0.495 Chromosomal differences in susceptibility to meiotic aneuploidy. D Warburton ... A Kinney Environ Mol Mutagen 1996 ; 28(3)237-47. Score: 0.495 A specific phenotype associated with trisomy 15 mosaicism. J P Fryns ... H van den Berghe Ann Genet 1993 ; 36(2)129-31. Score: 0.495 Mongolism and maternal menarche. J M Berg ... J T Bavin J Med Genet 1969 Jun; 6(2)135-6. Score: 0.495 Tertiary trisomy (22q11q),47,+der(22),t(11;22). B M Biederman ... R Somerville Hum Genet 1980 Feb; 53(2)173-7. Score: 0.494 Dermatoglyphics in trisomy 8 mosaicism. B Schaumann Humangenetik 1974 ; 24(3)201-5. Score: 0.494 Trisomy 9p and unusual translocation mongolism in siblings due to different 3:1 segregations of maternal translocation rcp(9;21)(p11;q11). M Habedank ... J Faust Hum Genet 1978 Jun; 42(3)251-6. Score: 0.494 Trisomy 12 mosaicism. G S Frohlich ... R E Falk Prenat Diagn 1991 Nov; 11(11)881. Score: 0.494 Variable clinical expression of mosaic trisomy 16 in the newborn infant. A S Devi ... P Benn Am J Med Genet 1993 Aug; 47(2)294-8. Score: 0.493 [Partial trisomy 14q II.--Partial trisomy 14q due to a maternal t(12; 14) (q24.4; q21)] C Turleau ... F C Colin Ann Genet 1975 Mar; 18(1)41-4. Score: 0.492 Choroid plexus cysts and trisomy 18: risk modification based on maternal age and multiple-marker screening. R J Gratton ... C E Aston Am J Obstet Gynecol 1996 Dec; 175(6)1493-7. Score: 0.492 [Partial 11q trisomy due to missegregation of maternal t(11;22) (q23;q11.1) translocation (author's transl)] C Pangalos ... S Theodorou Nouv Presse Med 1980 Nov; 9(41)3065-7. Score: 0.492 A case of apparent trisomy 21 without the Down's syndrome phenotype. D Avramopoulos ... M B Petersen J Med Genet 1997 Jul; 34(7)597-600. Score: 0.492 [Sex ratio and maternal age in trisomy 18] B Le Marec ... J Senecal J Genet Hum 1975 Oct; 23 SUPPL()119-20. Score: 0.491 Retrospective study of the parental origin of the extra chromosome in trisomy 18 (Edwards syndrome). M M Nöthen ... G Schwanitz Hum Genet 1993 Oct; 92(4)347-9. Score: 0.490 A case of partial trisomy 17 resulting from X-autosomal translocation. Y Yamamoto ... Y Kuroki J Med Genet 1979 Oct; 16(5)395-9. Score: 0.490 Ocular changes in simple trisomy and in a few cases of partial trisomy. M Warburg ... S R Andersen Acta Ophthalmol (Copenh) 1968 ; 46(3)372-84. Score: 0.489 Radiological features of the most common autosomal disorders: trisomy 21-22 (mongolism or Down's syndrome), trisomy 18, trisomy 13-15, and the cri du chat syndrome. A E James ... J P Dorst Clin Radiol 1971 Oct; 22(4)417-33. Score: 0.489 Chromosome errors as a cause of spontaneous abortion: the relative importance of maternal age and obstetric history. F S Cowchock ... L G Jackson Fertil Steril 1993 May; 59(5)1011-4. Score: 0.489 Partial trisomy 4q due to familial 2/4 translocation. B Biederman ... P Bowen Hum Genet 1976 Jul; 33(2)147-53. Score: 0.489 Partial trisomy 16p due to maternal balanced translocation. L E McMorrow ... M M Gluckson J Med Genet 1984 Aug; 21(4)315-6. Score: 0.489 Frequency of meiotic trisomy depends on involved chromosome and mode of ascertainment. W P Robinson ... D E McFadden Am J Med Genet 1999 May; 84(1)34-42. Score: 0.488 Maternal age and birth rank in the aetiology of mongolism. A SMITH ... R G RECORD Br J Prev Soc Med 1955 Jan; 9(1)51-5. Score: 0.488 The effects of change in maternal age distribution upon the incidence of mongolism. L S Penrose J Ment Defic Res 1967 Mar; 11(1)54-7. Score: 0.488 A second case of intrauterine growth retardation and primary hypospadias associated with a trisomy 22 placenta but with biparental inheritance of chromosome 22 in the fetus. Jennifer Bryan ... Diane Payton Prenat Diagn 2002 Feb; 22(2)137-40. Score: 0.488 [Influence of maternal age on the appearance of mongolism.] M TORRE ... S CIBELLI Boll Soc Ital Biol Sper 1957 Jul; 33(7)1142-5. Score: 0.488 Meiosis I non-disjunction as the main cause of trisomy 21. J A Robinson Hum Genet 1977 Nov; 39(1)27-30. Score: 0.487 Complex cardiac malformation in a case of trisomy 9. T Williams ... I D Young J Med Genet 1985 Jun; 22(3)230-3. Score: 0.487 Trisomy 14: a new entity within acute nonlymphocytic leukemia. A Meloni-Balliet ... A A Sandberg Cancer Genet Cytogenet 1989 Nov; 43(1)35-8. Score: 0.486 Copper/zinc superoxide dismutase (SOD-1) activity in regular trisomy 21, trisomy 21 by translocation and mosaic trisomy 21. A Jeziorowska ... B Kałuzewski Clin Genet 1982 Oct; 22(4)160-4. Score: 0.486 Trisomy 16q21 = to qter. A Garau ... O Zuffardi Hum Genet 1980 Feb; 53(2)165-7. Score: 0.485 Trisomy 22. H Zellweger ... J Simpson J Genet Hum 1975 Mar; 23(1)65-75. Score: 0.484 Partial 18 trisomy (with 47 chromosomes) resulting from a familial maternal translocation. K Fried ... G Mundel J Med Genet 1978 Feb; 15(1)76-8. Score: 0.483 Prenatal diagnosis of a trisomy 7/maternal uniparental heterodisomy 7 mosaic fetus. Karl Y Bilimoria ... Jeffrey M Rothenberg Am J Med Genet A 2003 Apr; 118(1)60-3. Score: 0.483 Hypomelanosis of Ito--a nonspecific marker of somatic mosaicism: report of case with trisomy 18 mosaicism. D Chitayat ... M M Johnston Am J Med Genet 1990 Mar; 35(3)422-4. Score: 0.482 Partial trisomy 6p from a de novo translocation (6;18) with variable mosaicism in different tissues. S Rudnik-Schöneborn ... G Schwanitz Clin Genet 1997 Aug; 52(2)126-9. Score: 0.482 [Clinical spectrum and congenital anomalies in trisomy 18] M Arizawa ... N Suehara Nippon Sanka Fujinka Gakkai Zasshi 1989 Oct; 41(10)1545-50. Score: 0.482 A male with trisomy 9 mosaicism and maternal uniparental disomy for chromosome 9 in the euploid cell line. L R Willatt ... M E Ferguson-Smith J Med Genet 1992 Oct; 29(10)742-4. Score: 0.482 Maternal age- and gestation-specific risk for trisomy 21. R J Snijders ... K H Nicolaides Ultrasound Obstet Gynecol 1999 Mar; 13(3)167-70. Score: 0.482 Partial trisomy of chromosome 3(p14----p22) due to maternal insertional translocation. A Kleczkowska ... H Van den Berghe Ann Genet 1984 ; 27(3)180-3. Score: 0.482 Trisomy 20p from maternal t(3;20) translocation. N Archidiacono ... G Filippi J Med Genet 1979 Jun; 16(3)229-32. Score: 0.481 [Genetic counseling in mongolism (trisomy 21)] J Pernod ... J M Robert Lyon Med 1971 Jan; 225(1)41-8. Score: 0.481 Familial trisomy 7 mosaicism. L E DeBault ... K A Halmi J Med Genet 1975 Jun; 12(2)200-3. Score: 0.481 [Arch asymmetry in trisomy 21 (Down's syndrome, mongolism)] T Bojadziev God Zb Med Fak Skopje 1978 ; 24()403-10. Score: 0.481 Chromosomal mosaicism of trisomy 7 restricted to chorionic villi. I Bartels ... I Hansmann Am J Med Genet 1986 Sep; 25(1)161-2. Score: 0.480 Trisomy of a large chromosome. Association with mental retardation. A A SANDBERG ... E GORDY JAMA 1960 Sep; 174()221-5. Score: 0.480 Partial trisomy 16q resulting from maternal translocation 11p/16q. P Calva ... P Reyes Ann Genet 1984 ; 27(2)122-5. Score: 0.480 Ultrasonographically detectable markers of fetal chromosomal abnormalities. K H Nicolaides ... S Campbell Lancet 1992 Sep; 340(8821)704-7. Score: 0.480 Origin of extra chromosome 21 in 343 families: cytogenetic and molecular approaches. F Dagna Bricarelli ... L Perroni Am J Med Genet Suppl 1990 ; 7()129-32. Score: 0.480 Trisomy 16p in a liveborn infant and a review of partial and full trisomy 16. S H Roberts ... D P Duckett J Med Genet 1978 Oct; 15(5)375-81. Score: 0.480 Interchange trisomy 9 due to maternal t(6;9) translocation. S Ninomiya ... Y Seino Acta Paediatr Jpn 1994 Oct; 36(5)519-21. Score: 0.480 [Report of 3 mosaic cases with G-1 trisomy (mongolism)] H Reinwein ... H J Ising Helv Paediatr Acta 1966 Sep; 21(4)300-14. Score: 0.479 Trisomy 15, sex chromosome loss, and hematological malignancy. B J Baumgartner ... D L Van Dyke Cancer Genet Cytogenet 2000 Mar; 117(2)132-5. Score: 0.479 Non-mosaic trisomy 16 in a third-trimester fetus. M K Yancey ... T A Donlon Obstet Gynecol 1996 May; 87(5 Pt 2)856-60. Score: 0.478 Trisomy 20 mosaicism. X Carbonell ... J Egozcue Acta Paediatr Scand 1977 Nov; 66(6)787-8. Score: 0.478 Prenatal diagnosis of mosaicism for triploidy and trisomy 13. M C Phelan ... W Blackburn Prenat Diagn 2001 Jun; 21(6)457-60. Score: 0.478 Trisomy 20 mosaicism caused by a maternal meiosis II error is associated with normal intellect but multiple congenital anomalies. Regina E Ensenauer ... Jay W Ellison Am J Med Genet A 2005 Apr; 134(2)202-6. Score: 0.477 A revisit of trisomy 20 mosaicism in prenatal diagnosis--an overview of 103 cases. L Y Hsu ... T E Perlis Prenat Diagn 1991 Jan; 11(1)7-15. Score: 0.477 Partial trisomy 12q. B Zabel ... W Baumann J Med Genet 1981 Apr; 18(2)144-6. Score: 0.476 Prader-Willi syndrome in a child with mosaic trisomy 15 and mosaic triplo-X: a molecular analysis. K Devriendt ... J P Fryns J Med Genet 1997 Apr; 34(4)318-22. Score: 0.476 Centromeric DNA break in a 10;16 reciprocal translocation associated with trisomy 16 confined placental mosaicism and maternal uniparental disomy for chromosome 16. J C Wang ... W T Hsu Am J Med Genet 1998 Dec; 80(4)418-22. Score: 0.476 Partial trisomy 13q22----qter. A new case. F Galán ... M Moya Ann Genet 1989 ; 32(2)114-6. Score: 0.475 Trisomy 6q22 leads to 6qter due to maternal 6;21 translocation. Case report review of the literature. K Taysi ... M P Monaco Ann Genet 1983 ; 26(4)243-6. Score: 0.475 Three cases of trisomy 13 mosaicism and a review of the literature. M Delatycki ... R J Gardner Clin Genet 1997 Jun; 51(6)403-7. Score: 0.475 Double autosomal trisomy and mosaicism for three cell lines in man: coexisting trisomy 13-15, trisomy 17-18, and a minority cell line trisomic for a chromosome of both groups. O M Garson ... C H Greer J Med Genet 1969 Jun; 6(2)209-15. Score: 0.475 Down syndrome due to de novo Robertsonian translocation t(14q;21q): DNA polymorphism analysis suggests that the origin of the extra 21q is maternal. M B Petersen ... S E Antonarakis Am J Hum Genet 1991 Sep; 49(3)529-36. Score: 0.474 Trisomy 9 mosaicism in a girl with multiple malformations. L Diaz-Mares ... A Carnevale Ann Genet 1990 ; 33(3)165-8. Score: 0.474 A new case of partial trisomy 19q (q13.2-->qter) owing to an unusual maternal translocation. D Valerio ... A Conte J Med Genet 1993 Aug; 30(8)697-9. Score: 0.474 Trisomy 8. Report of a mosaic human male with near-normal phenotype and normal IQ, ascertained through infertility. A C Chandley ... W H Price Hum Genet 1980 ; 55(1)31-8. Score: 0.474 Pigmentary mosaicism following the lines of Blaschko in a girl with a double aneuploidy mosaicism: (47,XX,+7/45,X). Renée C Niessen ... Anthonie J van Essen Am J Med Genet A 2005 Sep; 137(3)313-22. Score: 0.473 Trisomy 8: an international study of 70 patients. V M Riccardi Birth Defects Orig Artic Ser 1977 ; 13(3C)171-84. Score: 0.473 Origin of extra chromosome in trisomy 21. G F Smith ... S Sachdeva Lancet 1973 Mar; 1(7801)487. Score: 0.473 Trisomy 18 mosaicism: clues to the diagnosis. H N Bass ... B F Crandall Clin Genet 1982 Dec; 22(6)327-30. Score: 0.473 A first trimester trisomy 13/trisomy 18 risk algorithm combining fetal nuchal translucency thickness, maternal serum free beta-hCG and PAPP-A. Kevin Spencer ... Kypros H Nicolaides Prenat Diagn 2002 Oct; 22(10)877-9. Score: 0.473 Reciprocal translocations and full trisomy (trisomy 18 and trisomy 21) in the offspring. J P Fryns ... H Van den Berghe Ann Genet 1986 ; 29(4)272-4. Score: 0.472 Trisomy 8 mosaicism in chorionic villus sampling: case report and counselling issues. J Klein ... R Schreck Prenat Diagn 1994 Jun; 14(6)451-4. Score: 0.472 Trisomy E-trisomy G mosaicism. A report of two cases. J B Bodensteiner ... H Zellweger Helv Paediatr Acta 1971 Apr; 26(1)63-70. Score: 0.471 Partial trisomy of chromosome no. 1 in two adult brothers due to maternal translocation (1q--;6p+). K Taysi ... G S Sekhon Hum Genet 1978 Nov; 44(3)277-85. Score: 0.471 Severe psychomotor retardation in a boy with a supernumerary derivative chromosome resulting in partial trisomy 21 and partial trisomy 7p. Bodil Edman Ahlbom ... Göran Annerén Ann Genet 2003 Jan-Mar; 46(1)29-35. Score: 0.471 12P trisomy: a syndrome? J J Hoo Ann Genet 1976 Dec; 19(4)261-3. Score: 0.471 Prenatally detected trisomy 7 mosaicism in a dysmorphic child. Sirpa Kivirikko ... Harriet von Koskull Prenat Diagn 2002 Jul; 22(7)541-4. Score: 0.470 [Trisomy 11 q (q23.1 - qter) through maternal translocation t(11;22) (q23.1;q11.1). A new case] N Ayraud ... M Deswarte Ann Genet 1976 Mar; 19(1)65-8. Score: 0.470 Association between maternal age and meiotic recombination for trisomy 21. Neil E Lamb ... Stephanie L Sherman Am J Hum Genet 2005 Jan; 76(1)91-9. Score: 0.470 Chromosomal abnormalities detected after an abnormal ultrasound in pregnancy. S Meagher ... J Milligan Clin Exp Obstet Gynecol 1994 ; 21(4)215-20. Score: 0.470 Postnatal confirmation of prenatally diagnosed trisomy 20 mosaicism in a patient with linear and whorled nevoid hypermelanosis. Anke Hartmann ... Henning Hamm Pediatr Dermatol 2004 Nov-Dec; 21(6)636-41. Score: 0.470 Confined placental mosaicism for trisomy 8 and intra-uterine growth retardation. E Saks ... T E Kelly Prenat Diagn 1998 Nov; 18(11)1202-4. Score: 0.469 [Attenuated phenotype of trisomy 4p by translocation t(X;4)(p21.2;p13)] N Morichon-Delvallez ... B Frison Ann Genet 1982 ; 25(4)246-8. Score: 0.469 A model relating the incidence of meiotic trisomy to maternal age. T L Hayden ... E Wilson J Theor Biol 1980 Sep; 86(1)123-36. Score: 0.468 [Comparative effect of maternal and paternal age on the appearance of standard trisomy G] Y Ros Acta Genet Med Gemellol (Roma) 1973 ; 22()27-37. Score: 0.468 Age-specific incidences of chromosome abnormalities at the second trimester amniocentesis for Japanese mothers aged 35 and older: collaborative study of 5484 cases. N Yaegashi ... A Yajima J Hum Genet 1998 ; 43(2)85-90. Score: 0