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by Anonymous on April 26th, 2008

Anonymous

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I have O- blood, my mom has o+ and my dad has a+ is this possible?

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  • by Too cool for school on September 6th, 2008

    Too cool for school

    Yes it is possible:

    Your mom will donate an o regardless. The genotype (keep in mind this is simplified much) of you father must be Ao. They both donate an o and you have o blood. As for the (-), that indicates the presence of a certain Rf antigen and that combo is also possible.

    Comments

    • If the father had Ao and the mother had o the offspring would have A because the A would be dominate to the o types

      H. Dawn

      by H. Dawn on November 28th, 2008

    • No, because the father could donate an o, not just an A.

      Too cool for school

      by Too cool for school on December 1st, 2008

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