Genetic mutation simply means duplication of large sections of DNA by the process called genetic recombination.and they are the main cause of diversity among organism. If mutations occur in non-germline cells, then these changes can be categorized as somatic mutations. Somatic mutation only effects the particular body while in case of genetic mutation , Genetic variation is useful because it helps populations change over time. Variations that help an organism survive and reproduce are passed on to the next generation.
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