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Evolution - Coggle Diagram
Evolution
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Mechanisms of Evolution
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Genetic Drift
Genetic drift, also known as allelic drift or the Wright effect, is the change in the frequency of an existing gene variant in a population due to random chance. Genetic drift may cause gene variants to disappear completely and thereby reduce genetic variation.
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Founder'd effect
the reduced genetic diversity which results when a population is descended from a small number of colonizing ancestors.
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Artificial Selection
Artificial selection is the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.
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