A Certain Species of Fish Has Alleles for Red Scales

Multiple Choice

A certain species of fish has alleles for red scales and for blue scales.Mating a red-scaled fish to a blue-scaled fish yields fish with a patchwork of red and blue scales.Mating one of these patchwork fish to a blue-scaled fish yields half patchwork and half blue-scaled fish.What can you conclude about the red and blue alleles?

A) The blue allele is dominant.
B) The red allele is dominant.
C) The red and blue alleles show incomplete dominance.
D) The red and blue alleles are codominant.
E) The alleles are pleiotropic.