Lect_5 biol152 Population evolution2 outline 31th

Lect_5 biol152 Population evolution2 outline 31th -...

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Evolution: Processes in Populations 1 (January 31) Biology 152 Spring 2011 0 10 20 30 40 50 60 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 Height (inches) Number Male Female
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BIOL 152 Lab TAs JULIE BERGENE JACOB CARTER JASON EMRY PETE HOSNER DEBRA FINCH ROBIN MOORE MARI PESEK BLYTHE ALEXANDER MIKE ANDERSEN MAHMOUD BISHR CARLA HARPER ISMAEL HINOJOSA STEVE ROELS STEVE SANDERS 2
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3 Outline Evolution within a single population Natural Selection Genetic drift
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Recall: What conditions are necessary for a population’s allele and genotype frequencies to be in Hardy-Weinberg equilibrium? 1. 2. 3. 4. 5. 4
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Importance of H-W equilibrium No change in frequency = no evolution If any conditions necessary for H-W are not true, then evolution does occur natural selection small population size gene flow mutation (non-random mating … affects genotype frequency, not allele frequency) 5
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Natural Selection “Survival of the fittest” “Struggle for existence
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This note was uploaded on 02/21/2011 for the course BIOLOGY 152 taught by Professor Orr during the Spring '11 term at Kansas.

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Lect_5 biol152 Population evolution2 outline 31th -...

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