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Question

The phenotypic dihybrid ratio in F2 generation is ________.


A

9:3:1

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B

9:3:3:1

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C

3:1:3

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D

3:1

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Solution

The correct option is B

9:3:3:1



When cross is made considering two characters at a time, it is called as dihybrid cross. In dihybrid cross, four different combinations of the characters appear in F2 generation in the ratio of 9:3:3:1.


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