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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asked Oct 26, 2021 180k views

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Harborhoffer · Answer 1 · 2021-10-30T22:51:28+0000

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,

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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