Examlex
How has the Internet changed American society and the American economy? Do you believe these change are permanent?
Genetic Drift
A mechanism of evolution that involves random changes in the frequency of alleles within a population, often having a more significant effect in small populations.
Genetic Variation
The diversity in gene frequencies, which can influence differences within species' physical appearance, behavior, and susceptibility to diseases.
Population
A group of individuals of the same species living and interbreeding within a given area.
Neutral Alleles
Genetic variants that do not affect the fitness of an organism and are unaffected by natural selection.
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