The Black and Yellow Pigments in the Coats of Cats

Essay

The black and yellow pigments in the coats of cats are controlled by an X-linked pair of alleles.Females heterozygous for these alleles have areas of black and areas of yellow in their coat (called tortoise-shell,or calico if there are also patches of white hair).
a)A calico cat has a litter of eight kittens: one yellow male,two black males,two yellow females,and three calico females.Assuming there is a single father for the litter,what is his probable color?
b)A yellow cat has a litter of four kittens: one yellow and three calico.Assuming there is a single father for the litter,what is the probable sex of the yellow kitten?
c)How would you prove that XO cats are phenotypically female? What female kitten colors (with respect to yellow,calico,and black)would you look for in which types of parental color crosses?