CopyCat, the first cloned cat, was derived from an ovarian cell from a female calico cat. But CopyCat was not an exact copy, as she herself was not calico. This result implies that:
A)one of the X chromosomes had been lost from the donor nucleus.
B)X-chromosome inactivation did not occur in CopyCat.
C)the inactivated X chromosome in the donor nucleus remained inactivated.
D)ovarian cells do not express coat-color genes.

Question

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The Answer of CopyCat, the first cloned cat, was derived from an ovarian cell from a female calico cat. But CopyCat was not an exact copy, as she herself was not calico. This result implies that:
A)one of the X chromosomes had been lost from the donor nucleus.
B)X-chromosome inactivation did not occur in CopyCat.
C)the inactivated X chromosome in the donor nucleus remained inactivated.
D)ovarian cells do not express coat-color genes.

CopyCat, the First Cloned Cat, Was Derived from an Ovarian