Y Chromosome

The chromosome (DNA package) passed-down from biological father to son that contains genes that determine male gender.

The Y chromosome is the sex chromosome passed-down from biological father to son that contains genetic instructions that give men their gender (and other body characteristics). Males inherit one Y chromosome from their father and one X chromosome from their mother, and are therefore normally symptomatic if they have an X-linked disease. So far, there are no known retinal degenerative diseases linked to the Y chromosome.