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Genetic hitchhiking

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Genetic hitchhiking could use some help. Please research the article's assertions. Whatever is credible should be sourced, and what is not should be removed.

Genetic hitchhiking also known as genetic draft is the process by which an allele may increase in frequency by virtue of being linked to a gene that is positively selected. In general, genetic hitchhiking can refer to changes in an allele's frequency due to any form of selection operating upon linked genes, including background selection against deleterious mutations.

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