The interphase cells of normal female mammals have a stainable nuclear body called a Barr body. This body is

Question

Quizplus · Accepted Answer

The Barr body is an inactivated X chromosome that is visible during interphase in female mammals. This process of X chromosome inactivation helps to balance out gene expression between males (who have one X and one Y chromosome) and females (who have two X chromosomes). The other answer choices are not accurate descriptions of the Barr body.

The Interphase Cells of Normal Female Mammals Have a Stainable