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Blood type calculator

If you are AO, and your partner BO, then your child could inherit AO, BO OO or even AB. If you had four children they could each have a different blood group. The second gene can still be passed on and if it pairs with the second gene from a partner then the child can have a blood group that appears not to match either parent.

The drop down menu below gives examples of the various combinations that could occur.




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