Biology, asked by rafsi7953, 1 year ago

Why is X inactivation necessary?

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Answered by Anonymous

0

Early in embryonic development in females, one of the two X chromosomes is randomly and permanently inactivated in cells other than egg cells. This phenomenon is called X-inactivation or lyonization. X-inactivation ensures that females, like males, have one functional copy of the X chromosome in each body cell.

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