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Unformatted text preview: Sexual Selection Operates through competition for mates in the breeding population - Feather color in birds. Stabalizing Selection Selective forces can work to maintain variety, in which the frequency of two or more alleles of a gene remain constant from generation to generation (Balance Polymorphism) Random Genetic Drift - change in allele frequency that results not from natural selection but from chance. Gene Flow - the exchange of genetic materail between populations of the same species. Species - a group of related organisms whose memebers can interbreed and produce fertile offspring. Speciation - The formation of new species....
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- Fall '08