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