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Does your blood type come from either your mother or father?

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Comes from both your mother and your father. You get one allele from your mother and one from your father. The combination makes up your blood type.

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Yes, before DNA testing this was one way to find parentage when there was question of whether a child was "switched at birth", if the child's blood type did not match either parent it could not be their natural child.

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A child's blood type doesn't always "match" either parent's blood type. It's a genetic combination that generally follows specific combination rules. Like if you mate a black dog to a white dog, you might get black, white, and maybe black & white puppies -- but also the occasional tan puppy from a latent gene that didn't actually show in either parent.
The old school blood type parentage tests were an approximation, but it was the best they had back then.
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Both

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Yes!

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not necessarily

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Both are factors. Here is a chart that shows you how it works http://www.canadiancrc.com/Paternity_determination_blood_type.aspx

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Great link!
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FunnyLittleFrog

You inherit your blood type from your parent's genes, but you may not have the same blood type as either of them. You could even have a blood type which is incompatible with your mother.

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Both, your are genetically blood traced to both your parents. Although generally one more than the other.

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Is it really one more than the other? How to find out which? Curly1919@att.net
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It is equal. One parent cannot contribute more genes than the other.
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Blood type is genetic and like most genes you get one from your mother and one from you father, so your blood type is a combination. The old story about getting your blood type from your father is nonsense. They used to do blood tests for paternity because they always knew who the mother was, so they had half of the gene equation.

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Yes... but then...

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