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In monohybrid cross, when both alleles e...

In monohybrid cross, when both alleles express equally well, the `"F"_(2)` phenotypic ratio becomes:

A

`1 : 1`

B

`3 : 1`

C

`9 : 3 : 1`

D

`1 : 2 : 1`

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The correct Answer is:
D
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