Which one of the following is an example of polygenic inheritance ?
Flower colour in Mirabilis jalapa
Production of male honey bee
Pod shape in garden pea
Skin colour in humans
A
Flower colour in Mirabilis jalapa
B
Production of male honey bee
C
Pod shape in garden pea
D
Skin colour in humans
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Solution
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Polygenic inheritance occurs when one character is controlled by two or more genes. Often the genes are large in quantity but small in effect. Examples of human polygenic inheritance are height, skin colour, eye colour and weight.
So, the correct answer is 'Skin colour in humans'.
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