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(A) Polygenic inheritance is a type of inheritance in which a single trait is controlled by two or more genes. In humans,skin color is a classic examp

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Skin color

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(A) Polygenic inheritance is a type of inheritance in which a single trait is controlled by two or more genes. In humans,skin color is a classic example of polygenic inheritance. It is governed by three pairs of genes $(A, B, C)$. The intensity of skin color depends on the number of dominant alleles present; more dominant alleles result in darker skin,while fewer result in lighter skin. Other options like Phenylketonuria,Color blindness,and Sickle cell anemia are examples of Mendelian disorders caused by mutations in single genes.

Polygenic inheritance in humans is represented by ....

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