Respuesta :

lulu1991
Because the chromosome linked with sex are XX for women and XY for men. So the boy can only get Y from his father and X from his mother. While girl can get one from the only X of her father and the other from her mother.
bodienordwallovxfts

Answer:

males only need one recessive allele to have a recessive sex-linked trait.

Explanation:

ape x