Definition: The male sex chromosome, being the differential sex chromosome carried by half the male gametes and none of the female gametes in humans and in some other male-heterogametic species in which the homologue of the X chromosome has been retained.
abnormalities; coordinate IM with SEX CHROMOSOME ABERRATIONS (IM) or specific disease (IM) + SEX CHROMOSOME ABERRATIONS (NIM); Y CHROMOSOME, HUMAN is also available
ExamplesChromosomes, Human, Y
Other names Y Chromosomes; Chromosomes, Y; Chromosome, Y
