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If DNA is found at a crime scene it can help locate people that were at the crime scene. If the criminal has committed crimes before their DNA will already be in the police system. If not they can take samples from suspects and pinpoint who committed the crime.
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The order of nucleotides in DNA can be used to identify an individual.

  • DNA is a double helix molecule composed of two long chains of nucleotides.

  • In DNA, there are four types of nucleotides, each one containing a different nitrogenous base (I,e, Adenine, Guanine, Cytosine and Thymine).

  • The linear order of these nucleotides in DNA is highly specific and therefore it can be used to compare a sample found in a crime scene in order to identify a suspect.

In conclusion, the order of nucleotides in DNA can be used to identify an individual.

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https://brainly.com/question/17497340

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