41. In mammalian females, dose compensation occurs due to: A) hypoactivation of

Question

41. In mammalian females, dose compensation occurs due to: A) hypoactivation of genes in both chromosomes X B) inactivation of an X chromosome C) hyperactivation of the X chromosome in males D) acetylation of both chromosomes X E) none of the above 41. In mammalian females, dose compensation occurs due to: A) hypoactivation of genes in both chromosomes X B) inactivation of an X chromosome C) hyperactivation of the X chromosome in males D) acetylation of both chromosomes X E) none of the above 41. In mammalian females, dose compensation occurs due to: A) hypoactivation of genes in both chromosomes X B) inactivation of an X chromosome C) hyperactivation of the X chromosome in males D) acetylation of both chromosomes X E) none of the above

Explanation / Answer

B - Inactivation of an X chromosome

In mammalian females one X chromosome is transcriptionally shut off to equalise to X-linked gene dosage in both the sexes.

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