DNA Fingerprinting: Genome variability

  • #1
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How much variability exists between the genomes of separate individuals? What is an SNP?
 

Answers and Replies

  • #3
bobze
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Homework question?
 
  • #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!
 
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