Testicular agenesis in a boy with XY-XYY mosaicism.
D002648:Child; D003878:Dermatoglyphics; D006801:Humans; D007621:Karyotyping; D008297:Male; D009030:Mosaicism; D012729:Sex Chromosome Aberrations; D013737:Testis / Q000002:abnormalities*; D014314:Trisomy