OMIM Phenotype&GeneSymbol  

  Chapter.17   Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  Q90-Q99   Chromosomal abnormalities, not elsewhere classified
    Q90   Down syndrome ( Search )
    • Q900   "Trisomy 21, meiotic nondisjunction" ( Search )
    • Q901   "Trisomy 21, mosaicism (mitotic nondisjunction)" ( Search )
    • Q902   "Trisomy 21, translocation" ( Search )
    • Q909   "Down syndrome, unspecified" ( Search )
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