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How Long Does DNA Last?


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#1    Still Waters

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Posted 14 July 2013 - 11:33 AM

The news that 50-year-old DNA provided a break in the Boston Strangler murder case may have you wondering: just how long does DNA last?


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#2    Ashotep


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Posted 14 July 2013 - 02:46 PM

Long enough to get you convicted.

#3    shrooma


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Posted 14 July 2013 - 07:52 PM

i seem to remember someone finding tree DNA up in the arctic circle somewhere (greenland/iceland?) that was half a million years old and in good condition, but i don't know if that's as long as it lasts?
depends how it's kept i suppose.
i'm assuming that it was frozen, being so far up north, so if they can dig pollen out from ice cores that are even older, then who knows....?

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