3 years ago

May somebody help me please ASAP !

Biology

1 answer:

Minchanka [31]3 years ago

3 0

Answer:

The first one: HH Hh Hh hh

Explanation:

Those are the genotypes - the phenotypes are the physical attributes the person will have. If there is the dominant gene (capital H) the child will have hitchhikers thumb. There is a 75% chance the child will have hitchhiker thumb and a 25% chance they will not.

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