Which of the following occurs in cells of human individuals with three or more X chromosomes?

a. Two X chromosomes remain active, and all others are inactivated.
b. One X chromosome remains active, and the rest are inactivated.
c. All of the X chromosomes remain active.
d. Two X chromosomes remain active in females and one remains active in males; the rest are inactivated.


Ans: b. One X chromosome remains active, and the rest are inactivated.

Biology & Microbiology

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