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A look at Long Covid, and why researchers and police shouldn’t use the same DNA kits

Science Magazine Podcast

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Law Enforcement Uses Short Tandem Repeats

Law enforcement uses something called short tandem repeats, or s t rs. These are places in the genom that are highly repetitive. If you take enough of these spots across the genom where there's this occasional slippage, you can take those numbers at those different sites and create a unique finger print of that individual.

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