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
Correct Answer:
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