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Published byLillian Merritt Modified over 9 years ago
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Mechanisms of Evolution 16.1 Causes of microevolution
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What is microevolution? Evolution within a population Example: industrial melanism Best current day examples antibiotic resistance Flu virus
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What are some causes of microevolution—1? Genetic mutations Increases diversity Gene flow More gene flow = less diversity Nonrandom mating Inbreeding decreases diversity Assortative mating Sexual selection Genetic drift Random change in allele frequencies
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What are some causes of microevolution—2? Bottleneck effect Antibiotic resistance Founder effect MRSA infection
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Mechanisms of Evolution 16.2 Types of selection
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What are the three types of natural selection—1? Review on your own the requirements of natural selection Directional Stabilizing Disruptive
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What are the three types of natural selection—2? Stabilizing selection
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What are the three types of natural selection—3? Disruptive selection
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