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Principles of Forensic DNA for Officers of the Court

Reference Samples

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photo of a microscope examining DNA strand, as well as an open manila folder with a paper that has picture of same DNA sample.
National Institute of Justice (NIJ) (ver política de reutilización).

To compare the victim's or suspect's DNA profile to the recovered crime scene DNA, the laboratory will need to have their known biological samples available for a side-by-side comparison. These known samples are called reference samples.

Some forensic laboratories will not examine the evidence unless certain reference samples are provided.

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