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Small, isolated groups of Central American Indians are nearly 100% type O for the ABO blood system. This is best explained as being the result of: a genetic drift b artificial selection c fitness d natural
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Small, isolated groups of Central American Indians are nearly 100% type O for the ABO blood system. This is best explained as being the result of: a

genetic drift
b
artificial selection
c
fitness
d
natural selection

Small, isolated groups of Central American Indians are nearly 100% type O for the-example-1
User Rafael Companhoni
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1 Answer

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For me I’ll say b artificial selection
User Danmayer
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