Based on Rates of Change in MtDNA, Northeast Asian and Native

question 99

Multiple Choice

Based on rates of change in mtDNA, northeast Asian and Native American populations separated about how long ago:

• A) 40,000-45,000 years ago
• B) 30,000-33,500 years ago
• C) 23,000-20,000 years ago
• D) 13,000-11,500 years ago

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Definitions:

Paternal Alleles

Genetic variants located on the chromosomes inherited from the father.

Linkage Disequilibrium

A situation in genetics where alleles at different loci are associated more frequently than expected by chance alone.

Heritable Trait

A characteristic or feature of an organism that can be passed from parent to offspring through genetic information.

Selection Differential

Selection differential is a measure of the strength of phenotypic selection. The selection differential describes the difference between the mean of the reproducing members of the population that contribute offspring to the next generation and the mean of all members of a population.