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Which of the following is a classic example of polygenic inheritance?

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in Biology – Class 12 by (271k points)
Which of the following is a classic example of polygenic inheritance?

(a) Skin colour in humans

(b) Blood groups

(c) Flower colour in peas

(d) Stem height in peas

This question was addressed to me in examination.

Question is from Polygenic Inheritance in division Principles of Inheritance and Variation of Biology – Class 12

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Correct answer is (a) Skin colour in humans

Explanation: Skin colour in humans is a classic example of polygenic inheritance as this trait is controlled by three or more genes and we can see that this trait is not so distinct amongst the human population and is spread across a gradient.

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