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*Note from asker: Both my parents and at least one brother have B pos blood... Possibility of a throwback gene?

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15y ago
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Q: If you have blood type O neg and your wife has O pos how is it possible for your baby to have B pos?
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How can you know if a baby is not your son if your wife and you we have the same type of blood?

You have the same type of blood, but not the same DNA. That's why it's called a DNA test.


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