Lecture 7 posted - BIO 311D LECTURE 7 Microevolution...

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BIO 311D LECTURE 7 Microevolution – Hardy-Weinberg 1/31/07
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Hardy-Weinberg p2 + 2pq + q2 = 1 p2 + 2pq + q2 = 1
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Hardy-Weinberg Find: Frequencies of the alleles A and a (total pop.= 30). The genotypic frequencies of AA, Aa and aa.
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The Hardy-Weinberg equation
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Assumptions of the Hardy-Weinberg theorem Random mating No natural selection No migration (population is isolated) No mutations Very large population size (no genetic drift)
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So what’s the point of it? (The Hardy-Weinberg theorem)
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Assumptions of the Hardy-Weinberg theorem Random mating No natural selection No migration (population is isolated) No mutations Very large population size (no genetic drift)
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Genetic variation Mutations Point mutations Duplications Mutation rate
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Genetic variation changes in a population Gene flow Genetic drift Natural selection
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Genetic Drift ® candies: Phenotype Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Blue 5 1 7 0 13 Non-blue 48
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This note was uploaded on 11/10/2008 for the course BIO 311D taught by Professor Reichler during the Spring '08 term at University of Texas at Austin.

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Lecture 7 posted - BIO 311D LECTURE 7 Microevolution...

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