NEET Biology question

In human beings, multiple genes are involved in the inheritance of

(A)Sickle-cell anaemia
(B)Skin colourCorrect
(C)Colour blindness
(D)Phenylketonuria

Answer: (B)

Solution

Human skin colour is a classic example of polygenic inheritance, controlled by multiple gene pairs (conventionally modelled as three, A/a, B/b, C/c) whose dominant alleles each add a small, cumulative, additive contribution to pigmentation,

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Question ID VK-120160