The biological definition of “race” corresponds to all of the following except:

A. The genealogical species concept;

B. The idea that subgroups within the same species can be distinguished from each other by ancestry;

C. There is a natural hierarchy of groups within a species from “lowest” to

“highest” forms;

D. It should be possible to identify races on the basis of shared allele frequencies among populations;

E. Races within a species are not reproductively isolated from each other.