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The Four Forces

The Four Forces

Q In your own words, describe each of the four forces of evolution and tell how they interact to produce changes in gene frequency in populations over generational time. (Note: I am making this assignment due *after* the presentation I am offering.)

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The four forces of evolution are natural selection, genetic drift, mutation, and gene flow. The first force of evolution is natural selection. It is the process that helps the population to adapt according to the changes. It helps to increase the reproductive success of the organism as the most suitable traits are further passed to the next generation. The process results in the allele frequency change over time as with the time passed the allele frequency of those traits would be higher which has a higher success rate.