DNA can be used in criminal investigations to match biological evidence found at a crime scene—such as blood, hair, or other bodily fluids—to DNA samples from suspects. A close match (within the limits of statistical calculation) can indicate potential guilt, while a lack of match can help exonerate a suspect, establishing their innocence.
Humans share 99.9% of their DNA with each other. in 1-2 sentences, explain how DNA can be used to understand whether suspects are innocent or guilty of a crime?
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