ANTB15H3 Lecture Notes - Lecture 1: Allele Frequency, Small Population Size, Genetic Drift

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Lecture 1: the forces of evolution and mating systems: the fundamentals of human. The very first slide has a diagram with green smiley faces; it is meant as a visual aid to represent the evolutionary forces; do not get confused if same content is repeated later on: Which genes are present in a population are controlled/determined by the following evolutionary forces: natural selection, mutation, gene flow, genetic drift. How genes are assembled into genotypes is determined by : random mating when organisms mate no preference for a particular trait is desired. Evolution: a process a dynamic series of events that ultimately lead to change. Macroevolution: large-scale change (fossils), typically associated with speciation. Microevolution: smaller-scale changes (gene frequencies), typically over generations and accumulation of changes. In this course the prof will mainly focus on these changes; will show up on exam: human populations are the by-product of both biology and culture, as a result:

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