Two Alleles of Gene C Control Hair Color in Horses

Multiple Choice

Two alleles of gene C control hair color in horses: C¹ and C².Horses homozygous for allele C¹ are red, heterozygotes are yellow, and C² homozygotes are cream.In the offspring of matings between heterozygotes, what phenotypic ratio is expected?

A) 2 yellow: 1 red
B) 3 red: 1 cream
C) 1 red: 2 yellow: 1 cream
D) all red
E) 9 red: 3 yellow: 4 cream