Question

A genetic defect in humans results in the absence of sweat glands in the skin. some men have this defect all over their bodies, but in women it is usually expressed in a peculiar way: a woman with this defect typically has small patches of skin with sweat glands and other patches without sweat glands. in women, the pattern of sweat-gland distribution can best be explained by __________.

Answer 1

For the answer to the question above, I think the answer is X chromosome inactivation or also called as lyonization.

This is a phenomenon in which one of the copies of the X chromosome present in female mammals is inactivated.