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Question

In F2 generation of quantitative inheritance, a ratio of 1:4:6:4:1 is obtained instead of

A
7:4:1:4
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B
3:1
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C
9:3:3:1
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D
8:6:4:1.
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Solution

The correct option is C 9:3:3:1
Polygenic inheritance is when more than one gene controls a character. It is also known as quantitative inheritance where two or more different pair of alleles which have a cumulative effect on governing quantitative characters.
Example of polygenic inheritance is white spotting in mice, green color in wheat. The ratio is 1:4:6:4:1 instead of normal 9:3:3:1.

So, the correct option is '9:3:3:1'.

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