Use this embedded document to find the suspect at the ISB Secondary Campus crime scene! Who did it-suspect 1, 2, 3, 4, 5, or 6?
This is the DNA obtained from the blood sample from the crime scene. Study it. What will you look for as you try to match each suspect's DNA to the DNA sample from the crime scene?
Based on your findings, were any of the suspects present at the crime scene? Support your conclusion with specific evidence.
Why do people's DNA patterns differ so greatly?
How would your conclusions be affected if you learned that the suspect whose DNA matched the evidence had an identical twin?
Suppose you are a defense lawyer. DNA evidence indicates that the bloodstain at the scene of a crime belongs to your client. Do you think this DNA evidence should be enough to convict your client?
Resource: Pearson Education, Inc., (2005). Prentice hall science explorer: Cells and heredity. Saddle River, NJ: Pearson Prentice Hall.
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