NEET 2006 Biology question

Which one of the following is an example of polygenic inheritance ?

(1)Flower colour in Mirabilis jalapa
(2)Production of male honey bee
(3)Pod shape in garden pea
(4)Skin colour in humansCorrect

Answer: (4)

Solution

In polygenic inheritance a trait is controlled by three or more genes whose alleles contribute additively, giving a continuous range of phenotypes. Human skin colour (controlled by three or more gene pairs) is the classical

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Question ID VK-089696