What is the apparent purpose for X inactivation in humans and other mammals?
A) It allows for the levels of expression of genes on the X chromosome to be similar in males and females.
B) It allows for the levels of expression of genes on the autosomes to be similar to the levels of genes on the X chromosome.
C) It suppresses the expression of genes on the Y chromosome in males.
D) It reduces the amount of nondisjunction during meiosis in females.
E) It enhances the level of pairing between the two X chromosomes during meiosis in females.
Correct Answer:
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