A X-linked gene in cats controls coat color. The X ^ B allele produces black, and the X ^ b allele produces yellow. When heterozygous ( X ^B X^b), the coat color is calico. If a yellow female cat has one yellow kitten and three calico kittens, a/ what is the sex of the yellow kitten? b/ what is the color of the father of these kittens? c/ what does this tell you about the sex of any calico cat?