Which Statement About Human Ethnic Groups Is Most Inaccurate

question 21

Multiple Choice

Which statement about human ethnic groups is most inaccurate?

• A)Most genetic variation occurs among different ethnic groups,not within them.
• B)A comparative study of mitochondrial DNA shows that the differences among human populations are consistent with their having a common ancestor no more than a million years ago.
• C)The variation among modern human populations is considerably less than among archaic human populations 250,000 years ago.
• D)Among social scientists some suggest that ethnicity is a purely cultural phenomenon based on shared customs;others prefer the explanation that ethnic groups have arisen due to a sense of kinship based on a group's biological heritage.
• E)Biologists suggest that because modern human populations were once isolated from one another in different environments,phenotypic and genotypic variations are now noticeable;therefore people have different ethnicities.

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