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L567 lecture 6 - L567 lecture 6 Evolutionary Game Theory...

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L567 lecture 6 Evolutionary Game Theory But first, a Quiz… 1. What is the heritability for two legs in our class? 2. What do you think would be the general effect of strong selection on additive genetic variance? 3. Will natural selection always increase population mean fitness? 4. R= ζ Α Β ( ϖ ι , ζ ι 29 . Where are the equilibria? 5. When will genetic drift over-ride natural selection? 6. Can there be additive genetic variation in an asexual population? ------------------------------ Motivation: So far we have covered 1. p for a 1-locus, two-allele model in a diploid population. 2. R= ζ 2 Σ for a single trait. We also considered the population genetic underpinnings for z for a single trait. 3. What are the limitations (if any) of these models? 4. For both cases, we were primarily interested in “directional selection.” That is delta p was always positive (or negative) as a function of p. It did not change signs. Similarly, z did not change from positive to negative depending on the value of z .
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