Familial cases of Down's syndrome a psu dic (21) (q22) and a rob (14q21q) in cousins.
D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007223:Infant; D007621:Karyotyping; D014178:Translocation, Genetic