Females inherit two X chromosomes and males inherit one X chromosome. However, there is not a double dose of X gene products in females because of
A) nondisjunction.
B) X- linkage.
C) the SRY gene.
D) X inactivation in females.

Question

Quizplus · Accepted Answer

X inactivation in females involves the silencing of one of the two X chromosomes, balancing gene expression between males and females. This means that females effectively have only one active X chromosome, resulting in similar gene expression levels as males.

Females Inherit Two X Chromosomes and Males Inherit One X