Question

Genetic analysis of haplotypes and variants among living and precontact Native Americans indicates that:
a. Native Americans underwent a huge decline in genetic diversity after Columbus's arrival in the New World.
b. Native Americans living today appear to be as diverse genetically as their ancient ancestors thousands of years ago.
c. Native Americans have a genetic structure and haplogroups that are quite recent.
d. Native Americans living today appear to be more diverse genetically than their ancient ancestors.

Answer

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