Calico Cats Are Female

Multiple Choice

Calico cats are female.The patches of fur color result from X inactivation, silencing fur color genes on one X chromosome or the other.However, extremely rarely, there can be a male calico.Describe the genetics necessary for a male calico cat.

A) XX with a translocation of the SRY gene onto one of the X chromosomes.
B) XY with a mutation in the SRY gene.
C) XX with a translocation of the testosterone gene onto one of the X chromosomes.
D) XY with a mutation in the estrogen gene.