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Two heterozygous parents are crossed. If...

Two heterozygous parents are crossed. If the two loci are linked, what would be the distribution of phenotypic features in `F_1` generation for a dihybrid cross?

A

`1:2:1`

B

`27:9:9:3:9:3:3:1`

C

`9:3:3:`

D

`3:1`

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The correct Answer is:
D
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