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A member asked:
If my mum is ab+ and my dad is o+ is it possible that i am ab+?
2 doctors weighed in across 2 answers
No: No you have to be either A or B but could be RH positive or negative.
Answered 1/24/2015
3.3k views
No: Your mum gave you an A or a B and a + or a - (since we don't know if her + was homozygous or heterozygous); her eggs were: A+, A-, B+, B-. Your dad gave you an O and a + or a - (same argument as above); sperm O+, O-. Your possible genotypes from your mum & dad as stated would be A+, A-, B+, or B-. These sorts of things can cause problems in families. What happened 19 years ago is in the past.
Answered 1/24/2015
3.3k views
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