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single nucleotide polymorphism |
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single nucleotide polymorphism (SNP),
a genetic polymorphism between two genomes that is based on deletion, insertion, or exchange of a single nucleotide. polymorphism [pol″e-mor´fizm] the ability to exist in several different forms. balanced polymorphism an equilibrium mixture of homozygotes and heterozygotes maintained by natural selection against both homozygotes. genetic polymorphism the occurrence together in the same population of two or more genetically determined phenotypes in such proportions that the rarest of them cannot be maintained merely by recurrent mutation. single nucleotide polymorphism (SNP) a genetic polymorphism between two genomes that is based on deletion, insertion, or exchange of a single nucleotide. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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