Blood Type Inheritance
Select the father's and mother's ABO blood types to instantly see which blood types their child can have — and which are impossible.
Possible for the child
ABABO
Not possible for the child
Frequently Asked Questions
Why are some blood types impossible?+
Blood type follows Mendelian inheritance of the A, B and O alleles. Combining the parents' possible genotypes rules out some types.
Is this medical advice?+
No. It is a general genetics table. For anything important, consult a doctor or geneticist.