Which statement correctly describes complete dominance, codominance, and incomplete dominance?

Which statement correctly describes complete dominance, codominance, and incomplete dominance?

• A. Complete dominance yields only the dominant phenotype in heterozygotes; codominance shows both phenotypes; incomplete dominance shows an intermediate phenotype.
• B. Codominance shows both phenotypes in heterozygotes; incomplete dominance shows an intermediate phenotype; complete dominance yields only the dominant phenotype in heterozygotes.
• C. Incomplete dominance shows an intermediate phenotype; complete dominance yields only the dominant phenotype in heterozygotes; codominance shows both phenotypes.
• D. Complete dominance yields an intermediate phenotype in heterozygotes; codominance shows both phenotypes; incomplete dominance yields the dominant phenotype.

Answer: (A)