A member asked:

If my mother is a+ blood and my father is b+ blood, then what can my blood type be?

A doctor has provided 1 answer

Any: A, B, O, AB, each either Rh positive or negative. Either or both of your parents may carry a recessive O (H) allele and/or a recessive Rh negative allele. This is basic mendelian genetics and I am glad you are mastering it.

Answered 1/4/2017

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