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Lec12JCL_W2009 - Bio 305 Lecture 12 Population genetics Dr...

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Bio 305 Lecture 12: Population genetics February 17, 2009 Dr. Long Required reading: Chapter 17 Relevant end of chapter problems: Chapter 17 (2-4, 7, 10, 11a, 11b, 12a-d, 15, 17, 18) Course-pack problems: Course pack problems 57 - 61 Vocabulary: allele frequency assortative mating balancing selection equilibrium distribution founder effect genetic drift gene flow gene pool genotype frequency functional mutation Hardy-Weinberg equilibrium heterozygote advantage heterozygosity homozygosity inbreeding natural selection negative selection polymorphic population population genetics positive selection random union of gametes rare alleles selection selective sweep silent mutation Learning Goals: Based on the reading and lecture material from lecture 25, you need to be able to: 1. Describe what the field of population genetics studies, and why it is important. 2. Calculate allele frequencies from genotype frequencies. 3. Calculate the expected genotype frequencies from allele frequencies by using the principle of random union of gametes. 4. State the assumptions of Hardy-Weinberg equilibrium. 5. Predict how different evolutionary processes affect genetic variation in populations. Lecture 12 1
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