A Barr Body is A(n)____

Question

A Barr body is a(n)____.
A) activated X chromosome
B) inactivated X chromosome
C) immature trophoblast
D) immature blastocyst
E) mature blastocyst

Accepted Answer

A Barr body is a condensed, inactivated X chromosome that forms in female cells to equalize gene expression between males and females, who have one X and one Y chromosome.