In cats,a fur color gene is on the X chromosome.At this locus,cats can have a black allele or an orange allele.Cats who are homozygous for the black allele have black fur,cats who are homozygous for the orange allele have orange fur,and cats who are heterozygous at this locus are tortoiseshell.What offspring would you expect from a cross between an orange female and a black male?
A)orange females and black males
B)black females and orange males
C)tortoiseshell females and orange males
D)tortoiseshell females and black males
E)tortoiseshell females and tortoiseshell males

Question

Quizplus · Accepted Answer

An orange female (X^O X^O) crossed with a black male (X^B Y) will produce tortoiseshell females (X^O X^B) and orange males (X^O Y).

In Cats,a Fur Color Gene Is on the X Chromosome