INTRODUCTION TO POPULATION GENETICS In this and the next few lectures we will be dealing with population genetics which generally views evolution as changes in the genetic makeup of populations. This is a somewhat reductionist approach: if we could understand the combined action of the forces that change gene frequencies in populations, and then let this run over many generations we might understand long term trends in evolution. Continuing debate: can the processes of microevolution account for the patterns of macroevolution? Population genetics is an elegant set of mathematical models developed by largely by R. A. Fisher and J. B. S. Haldane in England and Sewall Wright in the US. Continues to be developed by many mathematical, theoretical and experimental biologists today (see J. Crow and M. Kimura Introduction to Population Genetics Theory ). In very simple terms, population genetics involves analyses of the interactions between predictable, "deterministic" evolutionary forces and unpredictable, random,
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