Statement-1: In polygenic inheritance the effect of each allele is additive

Statement-2: Polygenic inheritance also takes into account the influence of environment

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Statement-1 and Statement-2 are correct

Statement-1 is correct Statement-2 is incorrect

Statement-1 and Statement-2 are incorrect

Statement-1 is incorrect Statement-2 is correct

answer is A.

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Detailed Solution

traits are generally controlled by three or more genes and are thus called as polygenic traits. Besides the involvement of multiple genes polygenic inheritance also takes into account the influence of environment. Human skin colour is another classic example for this. In a polygenic trait the phenotype reflects the contribution of each allele, i.e., the effect of each allele is additive.

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