What is single nucleotide polymorphism (SNP)

SNP is a DNA sequence variation occurring when a single nucleotide adenine (A), thymine (T), cytosine (C), or guanine (G) in the genome (or other shared sequence) differs between members of a species or paired chromosomes in an individual.


Reference
Https://isogg.org/wiki/Single-nucleotide_polymorphism.


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