What is the word meaning genetic variation

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What is the Meaning of Genetic Variation?

Genetic variation is a term used to describe the differences in genetic makeup among individuals in a population. It can be caused by a variety of factors such as mutation, natural selection, and genetic drift.

Mutation is a change in the genetic material of an organism. Mutations can be caused by environmental factors such as radiation or chemicals, or they can be spontaneous. Mutations can be beneficial, harmful, or have no effect.

Natural selection is the process by which certain traits become more common in a population over time. This occurs when individuals with certain traits have an advantage in surviving and reproducing, thus passing their traits on to their offspring.

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Genetic drift is the random change in the frequency of a gene in a population over time. This can be caused by a variety of factors such as a change in the environment, a change in the size of the population, or chance.

These three factors can all contribute to genetic variation in a population. Genetic variation is important for the survival of a species, as it allows for adaptation to changing environments. It also allows for new traits to evolve, which can be beneficial for the species.

Overall, genetic variation is an important concept in evolutionary biology. It is the basis for natural selection and is essential for the survival of a species. Without genetic variation, a species would be unable to adapt to changing environments and would eventually become extinct.

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