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

In women, the pattern of sweat-gland distribution can best be explained by X chromosome inactivation.

The reason that the men would have the defect all over their bodies rather than in small patches like women is because men only have 1 X chromosome (XY) while women have 2 (XX).

Hope I could help!