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In mice Y is the dominant allele for yel...

In mice Y is the dominant allele for yellow fur and y is the recessive allele for grey fur. Since Y is lethal when homozygous, the result of cross `Yy xx Yy` will be

A

3 yellow : 1 grey

B

2 yellow : 1 grey

C

1 yellow : 1 grey

D

1 yellow : 2 grey

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The correct Answer is:
B
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