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Codominance

Case: Purebre...

Question

Case: Purebred shorthorn cattle of white coat (WW) were crossed with purebred cattle of red coat (RR). The $F_{1}$ cattle had coats with patches of white and red side by side.
What will be the phenotypic ratio of $F_{2}$ generation?

A

2 : 1 : 1

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B

1 : 1 : 2

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C

1 : 2 : 1

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D

1 : 1 : 1

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Solution

The correct option is C 1 : 2 : 1
The $F_{2}$ generation is obtained by crossing the $F_{1}$ hybrids.

The $F_{2}$ generation will have 1 white, 2 roan and 1 red coat offspring. The cross is shown below.

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