Gene Flow Bio 3

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10 Terms

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Gene Flow
Movement of alleles between populations, increases genetic diversity, reduce genetic differences between populations
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Genetic Drift
Selection by Chance, Stronger effect in small populations, can lead to loss in genetic variation
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Adaptation
Enhances survival and reproduction in specific environments, results from natural selection over generations, increases organism fitness
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Natural Selection
Traits that improve survival and reproduction, driven by environmental factors, leads to adaptation over time
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Mutation
change in DNA sequence, creates new alleles, beneficial/harmful/neutral, raw material for evolution
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Gene Flow -> Genetic Drift
Can counteract
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Gene Flow -> Adaptation
Can introduce
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Genetic drift -> Adaptation
can eliminate
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Mutation->natural selection
can be amplified
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Natural selection -> adaptation
produces. (nothing produces adaptation other than this.)