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SNP and SNV

genetics SNV SNP alleles

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#1 afung22

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Posted 04 February 2012 - 12:15 AM

Question: For a particular gene, which would a population contain more different alleles of, SNPs or SNVs? Why?

Hi there,
I thought that SNP is a single nucleotide polymorphism - which happens among a population, whereas SNV is a single nucleotide variation among an individual. So SNP should contain more alleles... Can someone please verify the answer and if it's wrong, explain why?
Thank you!

#2 bob1

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Posted 04 February 2012 - 01:06 PM

Any polymorphism is one that is established in the population as a whole - this means that a specific proportion of the population will have the "mutant" allele. Variants can occur at any point in any individual - but you won't (well, shouldn't) find them commonly in the population. As a whole, theoretically there could be the same number of alleles of each in the population, but you will find a specific SNP at a defined rate.





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