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9 October, 06:43

How are scientist able to compare DNA from bones or teeth to that found in hairs on a hairbrush?

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  1. 9 October, 07:12
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    All DNA pairs of the human body are 100% identical, regardless of where the sample is taken from. Hair cells have the same DNA structure as skin cells, saliva, sperm, etc. Every humans DNA is unique, this allows scientists to identify who a specific sample belongs to.
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