User:Randalj16/sandbox
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Genetic erosion (also known as genetic depletion) is a process in which the gene pool of a species diminishes, often accelerated by human activities. The term is sometimes used in a narrow sense, such as when describing the loss of particular alleles or genes, as well as being used more broadly, as when referring to the loss of a phenotype or whole species.
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Low genetic diversity in a population, as a result of inbreeding and genetic drift, can increase the likelihood of a species going extinct.[1] Small populations are more susceptible to genetic erosion than larger populations.
Many species benefit from a human-assisted breeding program to keep their population viable,[citation needed] thereby avoiding extinction over long time-frames.