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. Tortoiseshell females; black males
D. Orange females; black males
Answer:C
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. Tortoiseshell females; black males D. Orange females; black males