When a Genetic Trait Is Influenced by Heterozygous Codominant Alleles

question 200

Multiple Choice

When a genetic trait is influenced by heterozygous codominant alleles,

• A)only the dominant allele is expressed in the phenotype.
• B)only the recessive allele is expressed in the phenotype.
• C)both alleles may be partially expressed.
• D)only the effects of learned experience will become evident in the phenotype.