In Cats, Black Fur Color Is Caused by an X-Linked

Multiple Choice

In cats, black fur color is caused by an X-linked allele; the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross of a black female and an orange male?

A) Tortoiseshell females; tortoiseshell males
B) Black females; orange males
C) Orange females; orange males
D) Tortoiseshell females; black males
E) Orange females; black males