Acalico cat has a litter of 8 kittens: 1 yellow male, 2 black males, 2 yellow females, and 3 calico females. what are the genotypes for all the cats?

The answer is mother cat is calico (XBXR), yellow male is XRY, black males are XBY, yellow females are XRXR, and calico females are XBXR

Let B be black, R yellow and BR calico. For calico to be expressed, alleles for both fur color must be present (it si codominant trait)
Female cats can be:
XBXB - black
XRXR - yellow
XBXR - calico

Male cats can be:
XBY - black
XRY - yellow

So, mother cat is calico (XBXR), yellow male is XRY, black males are XBY, yellow females are XRXR, and calico females are XBXR

This post might have the info you need: