What is the key to the recognition of codominance?
A) The phenotype of the heterozygote falls between the phenotypes of the homozygotes.
B) The trait exhibits a continuous distribution.
C) The alleles affect more than one trait.
D) The heterozygote expresses the phenotype of both homozygotes.

Question

Quizplus · Accepted Answer

Codominance occurs when the heterozygote expresses the phenotype of both homozygotes. This means that both alleles are fully expressed and neither is dominant or recessive over the other.

What Is the Key to the Recognition of Codominance