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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
