Question

The Polynesians, the San, and the people of northern India have phenotypes that do not fit neatly into "standard" racial categories, which suggests that
A. it is best to classify humans into a large number of racial categories.
B. phenotypical variation between human populations involves gradual shifts across different geographic zones, rather than sharp breaks indicative of discrete races.
C. these populations must have originated sometime before the major racial groups originated.
D. traditional concepts of race need to be reworked so that they are more exclusive.
E. there has been a lot of gene flow in the time since the origin of the three major human races.

Answer

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