[FAMILIAL OCCURRENCE OF AN ABNORMAL D-CHROMOSOME].
D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002875:Chromosomes; D003878:Dermatoglyphics; D004314:Down Syndrome; D005826:Genetics, Medical; D006801:Humans; D014314:Trisomy
CHROMOSOME ABNORMALITIES; DERMATOGLYPHICS; GENETICS, HUMAN; MONGOLISM; TRISOMY
FAMILIAERES AUFTRETEN EINES ANOMALEN D-CHROMOSOMS.