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by GinnyLynn on October 29th, 2009

GinnyLynn

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Can my daughter have A+ if her I am O- and my boyfriend is O+?

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Answers. 9 helpful answers below.

  • by Karine on October 29th, 2009

    Karine

    I suppose you are talking about blood type....and NOPE, if you are O- and your boyfriend is O+ and your daugther is A+, than sorry to say, but your boyfriend is NOT the biological father of your daugther!

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  • by Fenchurch on October 29th, 2009

    Fenchurch

    O is the most recessive of all blood types meaning you and your boyfriend both have two reccessive genes of it. in order to have A blood she would have to have a parent with A blood because A is the dominant gene over O

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  • by Cantras on October 29th, 2009

    Cantras

    If your boyfriend isn't the father, sure.

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  • by Slightly less anonymous on October 29th, 2009

    Slightly less anonymous

    Sure she can.

    You are O-.
    Your boyfriend is O+.
    Your daughter is A+.
    Your daughter's father is .... ???

    And I'm guessing that's a question mark for who as well as blood type.

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  • by nucleotideboy on October 30th, 2009

    nucleotideboy

    Only if your boyfriend is not the father, which he definitely isn't if your daughter is A+. The rhesus factor (the +/- bit) isn't an issue, but the ABO bloodtype is.

    There is absolutely no chance that two O-type people could produce an A-type child.

    Time to 'fess up!

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  • by duke.of.data on October 29th, 2009

    duke.of.data

    the blood type very often reveals (completly by accident) that the assumed father is not. 0 is the rareest, AB is the most common...but the rules have no compromise in childs type. if she is a+ then your boyfreind (with his type being o-) is not the father, sorry.

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  • by Eileen on November 8th, 2009

    Eileen

    Simple terminology as possible NO.

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  • by Merfish on November 8th, 2009

    Merfish

    Look here:
    http://www.biology.arizona.edu/human_bio/problem_sets/blood_types/btcalcA_popup.html

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  • by Abdullah on November 8th, 2009

    Abdullah

    No impossible because o strian havse no antigens while A has antigens for B strain
    the father here must be A,B or AB
    the mothe could be also at any type
    or the oppesit if explenation needs tel me please !

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