title: Triploid-diploid mosaïcism in a deeply mentally retarded adult.
abstract: Triploid-diploid mosaicism in fibroblasts of a deeply mentally retarded 21-year-old female is reported. The relevant findings in 2n/3n mosaicism are reviewed and discussed.
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations / Q000235:genetics; D025063:Chromosome Disorders; D004171:Diploidy; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D009030:Mosaicism