A roan bull is bread to three cows. Cow ...

A roan bull is bread to three cows. Cow A has the same genotype as the roan bull. Cow B is red and cow C is white. What proportiions of roan cows are expected in the offsprings of each group of cows :-

A

`2,1,1`

B

`1,2,1`

C

`1,1,2`

D

`3,1`

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The correct Answer is:

A

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