NEET BIOLOGY

Detailed explanation-1: -Codominance. As opposed to partial dominance, codominance occurs when the phenotypes of both parents are simultaneously expressed in the same offspring organism.

Detailed explanation-2: -“Incomplete dominance is a form of intermediate inheritance in which one allele for a particular trait is not expressed completely over its paired allele.”

Detailed explanation-3: -Codominance occurs when the alleles do not show any dominant and recessive allele relationship. However, each allele from homozygote is able to add phenotypic expressions in the offspring or simply the “mix” of each allele. The offspring’s phenotype is an intermediate of the parents’ homozygous traits.

Detailed explanation-4: -Codominance and incomplete dominance yield unique phenotypes for heterozygous offspring (Aa). Incomplete dominance results in heterozygotes with intermediate phenotypes, as in the case of snapdragons when parents with red flowers and white flowers are crossed resulting in heterozygous offspring with pink flowers.

Detailed explanation-5: -Incomplete dominance superficially resembles the idea of blending inheritance, but can still be explained using Mendel’s laws with modification. In this case, alleles do not exert full dominance and the offspring resemble a mixture of the two phenotypes.