title: Trisomy 9p syndrome and XYY syndrome in siblings.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics; D000328:Adult; D002904:Chromosomes, Human, 21-22 and Y; D002906:Chromosomes, Human, 6-12 and X; D006801:Humans; D007908:Lens, Crystalline / Q000002:abnormalities; D008297:Male; D012730:Sex Chromosomes; D014178:Translocation, Genetic; D014314:Trisomy