A satellited Yq chromosome associated with trisomy 21 and an inversion of chromosome 9.
D000328:Adult; D007446:Chromosome Inversion; D002904:Chromosomes, Human, 21-22 and Y; D002906:Chromosomes, Human, 6-12 and X; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans; D008297:Male; D012729:Sex Chromosome Aberrations; D012730:Sex Chromosomes; D014314:Trisomy