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single nucleotide polymorphism
(redirected from Single-nucleotide polymorphism)

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
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.


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Loss-of-heterozygosity analysis of small-cell lung carcinomas using single-nucleotide polymorphism arrays," Nat.
 
 
 
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