INTRO TO FORENSIC SCIENCE

You will need to copy and paste these questions into a Word document and type in the answers. Use as much space as you need, and please do not put one sentence answers. Make sure you fully answer the question and answer ALL parts of the question. PLEASE INCLUDE BOTH THE QUESTION AND THE ANSWER IN YOUR ASSIGNMENT. Please use the powerpoints Ch16,17,18. Please no plagarism, no ai no chat bots

Assignment

Chapter 16: DNA

Chapter 17: Fire and Explosion Investigation

Chapter 18: Document Examination

1. What is complementary base pairing? What is the importance of the order in which base pairs are arranged?
2. What are short tandem repeats (STRs) and what is their significance to DNA typing?
3. What are the three main differences between nuclear DNA and mitochondrial DNA?
4. Describe the process of DNA replication. What is the importance of DNA replication?
5. List two advantages STRs have over restriction fragment length polymorphisms (RFLP).
6. How should packages containing DNA evidence be stored? Name one common exception and explain why it should be handled differently and how it should be stored.
7. List four steps an investigator should take to prevent contamination of DNA evidence.
8. Define and describe the process of pyrolysis.
9. What physical state must a fuel occupy in order to produce a flame? Why can it produce a flame only in this state?
10. What are primary explosives and what are they used for?
11. List three factors that make investigating arson and explosions particularly difficult for forensic scientists.
12. What are oxidizing agents and why are they used in explosives?
13. List three factors that can make it difficult for an examiner to determine the author of a questioned writing.
14. Why might a traced signature be more easily detected as a forgery than one that is copied freehand?
15. Describe two methods used to read indented writing.

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