Chapter 13, Problem 8LTB

All of the following statements support the hypothesis that humans cannot be classified into biological races except.

1. There is more genetic diversity within a racial group than average differences between racial groups;
2. Alleles that are common in one population in a racial group may be uncommon in other populations of the same race;
3. Geneticists can use particular SNP alleles to identify the ancestral group(s) of any individual human;
4. There are no alleles found in all members of a given racial group;
5. There is genetic evidence of mixing among human populations occurring thousands of years ago until the present.