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DNA Fingerprinting: Genome variability

  1. Oct 30, 2011 #1
    How much variability exists between the genomes of separate individuals? What is an SNP?
  2. jcsd
  3. Oct 30, 2011 #2


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    Last edited by a moderator: Apr 26, 2017
  4. Oct 31, 2011 #3


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    Homework question?
  5. Nov 2, 2011 #4
    DNA fingerprinting is generally done with STRP short tandem repeat polymorphisms.
    I imagine SNPs would be used to determine differences in certain alleles.

    From wiki: "The nucleotide diversity between humans is about 0.1%"

    Our genome is ~3 billion basepairs, 0.1% of 3 billion is 3 000 000. SO between any 2 people there is said to be ~3 million nucleotide differences!
    Last edited: Nov 2, 2011
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