Chromosome studies of a family with an abnormally large Y chromosome.
D000328:Adult; D002901:Chromosomes, Human, 13-15; D002902:Chromosomes, Human, 16-18; D002903:Chromosomes, Human, 19-20; D002904:Chromosomes, Human, 21-22 and Y; D006801:Humans; D007621:Karyotyping; D008297:Male; D008875:Middle Aged; D012729:Sex Chromosome Aberrations / Q000235:genetics*