Familial chromosomal aberrations. II.
D002869:Chromosome Aberrations / Q000453:epidemiology* / Q000235:genetics*; D025063:Chromosome Disorders; D004314:Down Syndrome / Q000235:genetics; D005053:Eugenics; D005260:Female; D006801:Humans; D008297:Male; D009030:Mosaicism / Q000235:genetics