single nucleotide polymorphism

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single nucleotide polymorphism

[¦siŋ·gəl ¦nü·klē·ə‚tīd ‚päl·ē′mȯr·fiz·əm]
(genetics)
A single base-pair difference between two copies of a deoxyribonucleic acid sequence from two individuals. Abbreviated SNP.