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Single nucleotide polymorphism (SNP)
Variations in the DNA sequence that occur when a single nucleotide (A, T, C, or G) in the genome sequence is changed.


Read more about this term in the Online Textbook:
Genomics: Genetic Variation Within Species and SNPs
Genomics: Identifying and Using SNPs

Related Terms:
Haplotype

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Related Animations:
Single Nucleotide Polymorphisms (SNPs)
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Haplotypes
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View Terms by Unit: Genomics