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1. (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
   - single nucleotide polymorphism
    
2. A Scottish political party that seeks independence for Scotland
   - Scots Nats [informal], Scottish National Party

Derived forms: SNPs

Type of: polymorphism

Encyclopedia: SNP