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Cross AABb xx aaBb yields AaBB:AaBb:Aabb...

Cross AABb `xx` aaBb yields AaBB:AaBb:Aabb:aabb offspring in the ratio of

A

`0:3:1:1`

B

`1:2:1:0`

C

`1:1:1:1`

D

`1:2:1:1`

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The correct Answer is:
B
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