Imagine you are a forensic investigator giving a presentation to a school assembly. A student asks you, “If people have such a similar genetic makeup, then why do you use DNA to understand whether suspects are innocent or guilty of a crime?” In 1–2 sentences, describe how you might answer the student’s question..
I would explain that while humans share a majority of their genetic makeup, there are specific sequences within DNA that are unique to each individual, allowing us to differentiate between suspects and determine their involvement in a crime.
