Which statement correctly distinguishes codominance from incomplete dominance?

Which statement correctly distinguishes codominance from incomplete dominance?

• A. In codominance, both alleles are fully expressed in the phenotype of a heterozygote; in incomplete dominance, the heterozygote phenotype is intermediate between homozygotes.
• B. In codominance, one allele dominates; in incomplete dominance, neither is expressed.
• C. In codominance, heterozygotes express neither allele; in incomplete, both are expressed.
• D. In codominance, alleles blend in offspring; in incomplete, there is no blending.

Answer: (A)