SNP

noun \ ˈsnip \

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: a variant DNA sequence in which the purine or pyrimidine base (such as cytosine) of a single nucleotide has been replaced by another such base (such as thymine)

Origin and Etymology of snp

single nucleotide polymorphism


Medical Dictionary

SNP

noun \ ˈsnip \

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: a variant DNA sequence in which the purine or pyrimidine base (as cytosine) of a single nucleotide has been replaced by another such base (as thymine)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 BrownleeScience News9 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 FriendUSA Today20 Oct. 1999
called also single nucleotide polymorphism

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