Banding patterns of metaphase chromosomes in Down's syndrome.
D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000175:diagnosis / Q000235:genetics*; D006801:Humans; D007621:Karyotyping; D008297:Male; D008722:Methods; D008938:Mitosis; D012730:Sex Chromosomes; D013194:Staining and Labeling