What is the phenotypic ratio of a monohybrid cross?

1:3

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3:1

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1:2:2:1

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9:3:3:1

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Solution

The correct option is B 3:1

A cross is made between two homozygous parent plants, is called monohybrid cross. In this cross F2 phenotypic ratio is 3:1 and genotypic ratio is 1:2:1.
So, the correct option is ‘3:1’.

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