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During a fight between a number of people, one was seriously injured - VCE - SSCE Biology - Question 28 - 2013 - Paper 1
Question 28
During a fight between a number of people, one was seriously injured. Blood samples were taken from the victim, the crime scene and four suspects. DNA was extracted... show full transcript
Worked Solution & Example Answer:During a fight between a number of people, one was seriously injured - VCE - SSCE Biology - Question 28 - 2013 - Paper 1
Step 1
The person most likely to have been at the crime scene is suspect 1
Answer
To determine who is most likely to have been at the crime scene, we compare the bands in the electrophoresis results of the crime scene sample with those of the suspects. The suspect whose DNA bands match those of the crime scene sample would be the most likely individual. In this case, suspect 2's bands show the closest match to the crime scene sample, indicating that suspect 2 is the likely culprit.