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Questions  

Identify the incorrect statement w.r.t. polygenic inheritance.

a
Traits generally controlled by three or more genes and are thus called as polygenic traits.
b
Besides the involvement of multiple genes polygenic inheritance also takes into account the influence of environment.
c
Phenylketonuria is an example of polygenic trait.
d
In a polygenic trait the phenotype reflects the contribution of each allele, i.e., the effect of each allele is additive.

detailed solution

Correct option is C

Skin colour of Human is a classic example of polygenic inheritance. Phenylketonuria is a good example of pleiotropy.

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Which of the following is an example of polygenic inheritance?


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