Calico Cats Have Splotches of Colors of Fur Arrayed on Them

 Calico cats have splotches of colors of fur arrayed on them, with the color being determined by different alleles of an X chromosome gene. Calico cats

A) can be male or female.
B) are almost always male, because the calico condition is sex-linked.
C) are always female, because the calico condition results from x-inactivation.
D) are the result of spontaneous mutations that do not affect the sex chromosomes.