Unraveling the Mechanisms of Evolution: The role of mutation, natural selection, genetic drift, gene flow, and non-random mating in genetic frequency changes within populations.

What is evolution in Genetic Terms?

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In genetic terms, evolution can be defined as the process by which the frequencies of genes within a population change over time. This occurs through a combination of several mechanisms such as mutation, natural selection, genetic drift, gene flow, and non-random mating.

Mutation is a random process that introduces new genetic variation into a population. Natural selection is the non-random process where certain traits confer a survival or reproductive advantage, leading to their increase in frequency over time. Genetic drift occurs when chance events cause a random change in the frequency of genes within a population. Gene flow is the movement of genetic information between populations through migration or interbreeding. Lastly, non-random mating happens when individuals choose their mate based on specific traits or characteristics.

All of these mechanisms can result in changes in the genetic makeup of populations over time, which can lead to the development of new species.

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