Single Nucleotide Polymorphism

**Semantic type:** Nucleotide Sequence

**Definition:** A variation of a single nucleotide at a specific location of the genome due to base substitution, present at an appreciable frequency between individuals of a single interbreeding population.

**Synonyms:** - Polymorphism, Single Base - Polymorphism, Single Nucleotide - SNP - SNP - Single-Nucleotide Polymorphisms - single nucleotide polymorphism