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How do we determine if there is a match on DNA?

Updated: 8/21/2019
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8y ago

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  1. Usually it is necessary to use PCR amplification first to increase the sample size of the DNA.
  2. Then you add chemicals that split the double helix into single chain form.
  3. Then you add tagged samples single chain form of the DNA(s) you are trying to match.
  4. Then you add chemicals that rejoin the single chain form back to double helix, some of the tagged DNA(s) will be joined if they match.
  5. Then you wash away the excess single chain DNA, both tagged and untagged.
  6. Then you test to identify the remaining tagged DNA, which shows what matched your original sample.
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Q: How do we determine if there is a match on DNA?
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