An example of polygenic inheritance in humans | vedclass

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(A) Polygenic inheritance is a type of inheritance in which a trait is controlled by two or more genes,and these genes have an additive or cumulative

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Skin color

Vedclass · Answer

(A) Polygenic inheritance is a type of inheritance in which a trait is controlled by two or more genes,and these genes have an additive or cumulative effect on the phenotype.In humans,skin color is a classic example of polygenic inheritance,where the intensity of melanin pigment is determined by the contribution of multiple genes.Sickle cell anemia is an example of a point mutation (Mendelian disorder).Color blindness is an $X$-linked recessive disorder.Phenylketonuria is an autosomal recessive metabolic disorder.Therefore,the correct option is $A$.

An example of polygenic inheritance in humans is .....

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