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A single site in any DNA sequence for which the identity of the nucleotide differs among individuals, often associated with a physiological variation, such as response to a drug, and used as a genetic marker.
[s(ingle) n(ucleotide) p(olymorphism).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Government, Politics & Diplomacy) Scottish National Party
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||SNP - (genetics) genetic variation in a DNA sequence that occurs when a single nucleotide in a genome is altered; SNPs are usually considered to be point mutations that have been evolutionarily successful enough to recur in a significant proportion of the population of a species|
polymorphism - (genetics) the genetic variation within a population that natural selection can operate on
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