The Polynesians, the San, and the people of northern India have phenotypes that do not
fit neatly into “standard” racial categories, which suggest 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.
Robert Redfield explained the relations between urban and rural communities by
arguing that
A. peasants were culturally isolated from cities.
B. cities were centers from which cultural innovations were spread to rural and tribal
areas.
C. kin-based ethnic associations only exist in rural areas.
D. there are so many connections between rural and urban areas that it is not useful to
distinguish between them.
E. urban centers have more in common with each other, even across national
boundaries, than they do with rural areas in the same country.