My blood type is B+ and my mothers blood type is O-, what would my fathers be?
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1 Answer
Sep 24, 2016
Your father could be of AB+ or B+ type.
Explanation:
As the mother is double recessive for both ABO blood group and Rhesus factor, you have inherited both the alleles for B antigen and D antigen (which determines Rh blood group) from the father. Your mother could provide only recessive allele for both.
If your father is AB+, then your sibling may have A+ blood type. If your father is B+, then your siblings may have O+ blood type.
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