Chapter 15

Last update by Shanal on 10/20/2013
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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 female; tortoiseshell male

B) black female; orange male

C) orange female; orange male

D) tortoiseshell female; black male

E) orange female; black male

Answer:
D) tortoiseshell female; black male

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