ISPE Glossary of Pharmaceutical and Biotechnology Terminology

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Single-Nucleotide Polymorphism

(SNP; pronounced “snip”) A polymorphism at a particular base site in a coding sequence, e.g., at base 306 in a particular gene, one individual could be heterozygous for A and G: the maternal allele could have an A at this site, while the paternal allele has a G at this site. This type of polymorphism is extensive throughout the genome, and has the great advantage of being detectable without the need for gel electrophoresis, which opens the way for largescale automation of genotyping.

Publication Source: Food and Agricultural Organization of the United Nations (FAO)
Publication Date: 1999

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