Question

Calico cats have large patches of different color fur. What can you conclude about the timing of X-inactivation in these female cats?

A. No identifiable relationship exists.
B. It occurs very early on in embryonic development.
C. It occurs continually through the life of the cat.
D. It occurs after exposure to the external environment.

Answer 1

Answer:

I think option a

Explanation:

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Answer 2

Answer:

c)

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