The mosaic effect of X inactivation in human females can be observed in
A) skin color.
B) hair color.
C) fingernails.
D) distribution of sweat glands.
E) all of these.

Question

Quizplus · Accepted Answer

The mosaic effect of X inactivation in human females can be observed in all of these characteristics, as the expression of X-linked genes can vary between cells due to the random inactivation of one X chromosome in each cell. This leads to patches of cells with different levels of expression of X-linked genes, resulting in variations in skin color, hair color, fingernails and distribution of sweat glands.

The Mosaic Effect of X Inactivation in Human Females Can