Calico Cats Have Splotches of Colors of Fur Arrayed on Them

question 8

Multiple Choice

 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.