Single nucleotide polymorphisms, or SNPs, are differences between two sequences of DNA at one individual nucleotide location.

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Comparing SIFT and PolyPhen to other methods

I'm looking for a database of nsSNP (non synonymous single nucleotide polymorphisms) and their effects. As I understand, the common methods to predict this are SIFT and PolyPhen, and I want to compare ...
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Genetic variation in humans and model organisms (measured by SNPs)

I was wondering what is the range of SNP density across species and model organisms. I.e., what would be a reasonable estimate for the SNP density (i.e., x SNPs for each 1 Kb) in: humans humans ...