The first cloned cat,called Carbon Copy,was a calico,but she looked significantly different from her female parent.Why?

A)The environment, as well as genetics, affects phenotypic variation.
B)Fur-colour genes in cats are influenced by differential acetylation patterns.
C)Cloned animals have been found to have a higher frequency of transposon activation.
D)X inactivation in the embryo is random and produces different patterns.
E)The telomeres of the parent's chromosomes were shorter than those of an embryo.