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A Cigarette Butt Found at the Scene of a Violent

Question 13

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A cigarette butt found at the scene of a violent crime is found to have a sufficient number of epithelial cells stuck to the paper for the DNA to be extracted and typed. Shown below are the results of typing for three probes (locus 1, locus 2, and locus 3) of the evidence (X) and 4 suspects (A through D). Which of the suspects can be excluded? Which cannot be excluded? Can you identify the criminal? Explain your reasoning.
‪ A cigarette butt found at the scene of a violent crime is found to have a sufficient number of epithelial cells stuck to the paper for the DNA to be extracted and typed. Shown below are the results of typing for three probes (locus 1, locus 2, and locus 3) of the evidence (X) and 4 suspects (A through D). Which of the suspects can be excluded? Which cannot be excluded? Can you identify the criminal? Explain your reasoning. ‪

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Suspects A, B, and D can be excluded bec...

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