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In a dihybrid test cross the genotypic r...

In a dihybrid test cross the genotypic ratio of the progeny is

A

`9:3:3:1`

B

`1:1:1:1`

C

`1:2:1`

D

`1:7:1`

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The correct Answer is:
B

`1:1:1:1`
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