Trisomy-21 in mother and child. Report of a case.
D000293:Adolescent; D002869:Chromosome Aberrations; D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D007962:Leukocytes / Q000166:cytology; D008297:Male; D011247:Pregnancy; D012730:Sex Chromosomes; D014314:Trisomy