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Twenty Questions Subject: Forensic Science Final
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Twenty Questions 12345 678910 1112131415 1617181920
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1. What is circumstantial evidence? Evidence that cannot be postively matched to one person
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2. Name 2 bioterrorism agents? Smallpox Anthrax Ebola Tularemia Botulism plague
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3. When collecting DNA evidence what do you need to do? Wear gloves Place in NON-Airtight container Use a swab-
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4. Name 3 different ridge characteristics that can be found in fingerprints. Ending ridge Enclosure Bifurcation Short ridge island
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5. After securing the scene, what would the next 3 steps be at a crime scene? Sketch Search for Evidence Collect evidence Send to lab
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6. What is the chain of custody? A record of every one who has touched a piece of evidence
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7. IF you found hair, bullets, blood and a note; where would you send each piece to be tested? Hair- Biology Bullets- ballistics Blood- biology Note-questioned documents
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8. What are the four methods of searching a crime scene? Grid Spiral Quadrant strip
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9. Name 3 pieces of evidence that would positively identify their owner. DNA Fingerprints (other prints) Bite marks
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10. What is a control, in forensic science? Evidence that is collected to compare other evidence to
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11. Most serial killers in American can be described as… White males 20’s-40’s
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12. In criminal profiling, what traits do scientists look at? someone’s personality
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13. If identifying drugs, what test can be done at the scene? Color tests
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14. Why would we use mt DNA? No reference sample is available The case is a very old case The body has decomposed or very badly damaged
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15. What does a restriction enzyme do? Cut DNA in particular place
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16. What scientist made a contribution to toxicology? Matheiu orfila
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17. What is an example of trace evidence? Hair Fibers paint
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18. What is an example of a low explosive? Gun powder fireworks
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19. What are 2 viruses that can be used as bioterrorism agents? Smallpox Ebola marburg
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20. What is PCR used for? Making multiple copies of DNA
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