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How can I tell from that there are SNPs present
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7 years ago

Biochemistry Question asked by Antoinette

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A SNP is a single nucleotide polymorphism, which means that one nucleotide is naturally different in a DNA sequence. A SNP is different to a mutation in that they occur naturally in the population. To see if a SNP is present you need to look at the DNA sequence and compare to other sequences for that section of DNA (not necessarily a gene, can be found in both exons and introns). There are programs you can use online to look for SNPs, if you know which region you are looking at (ensemble is the one I have used).
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