SNP

noun
\ ˈsnip How to pronounce SNP (audio) \

Definition of SNP

: a variant DNA sequence in which the purine or pyrimidine base (such as cytosine) of a single nucleotide has been replaced by another such base (such as thymine)

First Known Use of SNP

1991, in the meaning defined above

History and Etymology for SNP

single nucleotide polymorphism

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Cite this Entry

“SNP.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SNP. Accessed 22 Jan. 2021.

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More Definitions for SNP

SNP

noun
\ ˈsnip How to pronounce SNP (audio) \

Medical Definition of SNP

: a variant DNA sequence in which the purine or pyrimidine base (as cytosine) of a single nucleotide has been replaced by another such base (as thymine) Most SNPs occur in places in the genome that aren't used for making proteins—the so-called junk DNA. But the few SNPs that land squarely in a gene or in a regulatory region near a gene can alter characteristics influenced by that gene …— Christen Brownlee, Science News, 9 Apr. 2005 The ultimate goal of the pharmaceutical industry is to find the SNPs involved with major diseases and use them to find specific molecular targets for drugs.— Tim Friend, USA Today, 20 Oct. 1999

called also single nucleotide polymorphism

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