A member asked:

If my father o+ and my mother is ab- what is my blood type?

3 doctors weighed in across 2 answers

Need to test: Given your parents blood types, you could be either blood group a or b and could be positive or negative.

Answered 1/23/2013

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Mendel's laws: A or b. Positive or negative. There are exceptions from odd ABO variants.

Answered 10/4/2016

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