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Oocasionally, DNA evidence is thrown out of court due to the sample being contaminated. What are some possible ways DNA samples from blood can be contaminated?
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Oocasionally, DNA evidence is thrown out of court due to the sample being contaminated.

What are some possible ways DNA samples from blood can be contaminated?

User Tarik Chakur
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Answer: sneezing or coughing over the evidence, direct sunlight on transport an storage

Step-by-step explanation:

DNA evidence is contaminated when DNA from an outside source (exogenous DNA) gets mixed with DNA relevant to the case. It can happen in a variety of ways, from someone sneezing or coughing over the evidence,

User Harborhoffer
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