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In a typical Mendelian cross, which is a...

In a typical Mendelian cross, which is a dihybrid cross, one parent is homoxygous for both dominant traits and another parent is homozygous for both recessive traits. In the `F_(2)` -generation, both parental combination and recombinantions appear. The phenotypic ratio of parental combinations to recombinations is

A

`15:1`

B

`12:4`

C

`9:7`

D

`10:6`

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The correct Answer is:
D
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