XY spermatocytes in an XYY male.
D000328:Adult; D002869:Chromosome Aberrations; D005854:Germ Cells / Q000166:cytology; D006801:Humans; D007621:Karyotyping; D008297:Male; D008540:Meiosis; D008938:Mitosis; D012730:Sex Chromosomes; D013094:Spermatozoa / Q000166:cytology*