Which dosage compensation mechanism is employed by female placental mammals?
A) X- inactivation
B) X chromosome crossing over
C) synteny
D) X nondisjunction
E) Y- inactivation

Question

Quizplus · Accepted Answer

Female placental mammals employ X-inactivation as a dosage compensation mechanism to ensure that one of the two X chromosomes in each cell is largely inactivated, thus equalizing the expression of X-linked genes between males (XY) and females (XX).

Which Dosage Compensation Mechanism Is Employed by Female Placental Mammals