4.Principles of Inheritance and Variation
medium

Which idea is depicted by a cross in which the $F_1$ generation resembles both the parents?

A

Inheritance of one gene

B

Codominance

C

Incomplete dominance

D

Complete dominance

(NEET-2013)

Solution

(b): In codominance, both the alleles are able to express themselves independently when present together resulting in a phenotype that is intermediate between both the parental homozygous phenotypes, thereby resembling both of them. $E.g.$, roan coat colour in cattle is a result of co­dominance of alleles for white and red coat colour.

Standard 12
Biology

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