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Tall red flowered Pea Plant crossed to d...

Tall red flowered Pea Plant crossed to dwarf white flowered plant yields only tall red flowered plant yields only tall red flowered plants. A test cross shall give a ratio of

A

`1:1`

B

`3:1`

C

`1:1:1:1`

D

`1:2:4:6:4:2:1`

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The correct Answer is:
C
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