21-trisomy/normal mosaicism in an intelligent child with some mongoloid characters.
D002648:Child; D002875:Chromosomes; D002891:Chromosomes, Human, Pair 21; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans; D007360:Intelligence; D009030:Mosaicism; D012727:Sex Characteristics; D014314:Trisomy; D024182:Uniparental Disomy
CHROMOSOMES; MONGOLISM/genetics; SEX CHARACTERISTICS