Hce: Co-dominance and Incomplete Dominance
In horses, the allele for a bay coat (brown with black mane, tail and
legs) and the allele for a cream coat can combine to make a
buckskin coat.
The allele CB is used for bay; CCR is used for cream. Buckskin
horses have one bay allele and one cream allele.
The genotype CBCCR makes a buckskin coat, as neither allele is
dominant.
Buckskin
1. Cross a bay stallion with a cream mare. List all offspring phenotypes as a percentage. Show
your work with a Punnett square.
