X-Linked Genetics in the Calico Cat

Calico is a coat color found in cats, which is caused by a SEX-LINKED, CODOMINANT allele.

Female cats can be black X^BX^B, orange X^RX^R, or calico X^BX^R
Male cats can be black X^BY or orange X^RY

1. A black male is crossed with an orange female

How many kittens are: orange males? ______ calico females? ______

2. An orange male is crossed with a calico female. Show the Punnett square and list the phenotypes and proportions.

3. A black male is crossed with a black female. Show the Punnett square and list the phenotypes and proportions.

4. A black male is crossed with a calico female. Show the Punnett square and list the phenotypes and proportions.