(See related pages)
This chapter builds on the background provided in Chapter 2 to focus on the details of the evolutionary process. It discusses the principles of microevolution, or changes in allele frequencies in populations over time, and the evolutionary forces that produce this change.
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1. You should know the terms “population” and “breeding population” as used in evolutionary theory. You should understand how they are defined in relation to a research question. |
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2. You should be familiar with how genotype and allele frequencies are calculated in a population. |
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3. You should be able to discuss the Hardy-Weinberg equilibrium model and know what assumptions are necessary to predict equilibrium in a population. |
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4. You should know the four evolutionary forces. You should be able to explain how mutation introduces change into a population; how fitness and natural selection operate on allele frequencies; how genetic drift is affected by population size; and the means by which gene flow occurs. |