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Case Reports
. 1976 Sep;19(3):187-90.

[Partial trisomy of chromosome 21 by maternal translocation t(15;21) (q26.2; q21)]

[Article in French]
O Raoul, S Carpentier, B Dutrillaux, R Mallet, J Lejeune
  • PMID: 136225
Case Reports

[Partial trisomy of chromosome 21 by maternal translocation t(15;21) (q26.2; q21)]

[Article in French]
O Raoul et al. Ann Genet. 1976 Sep.

Abstract

A balanced reciprocal translocation, t(15;21) (q262;q21) was observed in the mother and maternal grandfather of two patients. The propositus, who received the abnormal chromosome 15 from his mother, is trisomic for the distal part of chromosome 21, and his phenotype is that of classical trisomy 21. His sister, who is trisomic for the proximal part of 21q, is slightly retarded but developmentally normal otherwise.

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