ANSWERS: 7
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goes by fathers blood group does it.
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it's possible, but more than likely they will have a baby with o+ blood as well
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No. The baby must have one of the parents blood type.
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Positive is dominant, so a positive parent can have a positive and negative gene. Their chances of having a negative child is about 1 in 4.
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Yes.
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It's possible, just unlikely. Each of the parents can be either ++ or +-. To have an O - child they would both have to be +- and each pass the negative Rh factor to the child because a person can only have negative blood if they are --. The + Rh factor is dominant, so if the child were to be +- it would be O+.
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no.
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