POST LAB QUESTIONS
1. The evidence suggests which suspect raped the victim? Why?
2. Explain why suspect B has only 1 band in his lane?
3. What is mitochondrial DNA and how does it differ from nuclear DNA? (list 3 differences)
4. The four steps in forensic DNA analysis are extraction, quantitation, amplification and
electrophoresis. Briefly describe each one.
5. Draw an agarose gel from an individual with the following partial profile:
D7S820: 8, 15
D3S1358: 15, 16
– Also on the gel label which side of the gel was connect to the negative terminal and which side has the shortest DNA segments
Report Page: Indicate below the results obtained for each unknown/evidence item.
The perpetrator of the crime is _____________________________________________.
CASE SCENARIO 1: The individual who contributed their DNA to the Crime Scene sample is
CASE SCENARIO 2: Given the scenario, the father of Judith Grimes is _____________________.
Post Laboratory Questions
To be answered individually and turned in next laboratory class in a typed document.
1. Are drugs classified or individualized? Why?
2. The Controlled Substance Act schedules drugs. For each schedule, list one drug,
3. Why is cocaine listed as a Schedule II drug?
4. What are designer drugs? Why do they propose a “loophole” to our legal system?
5. Codeine, oxycodone, morphine are all a class of drugs derived from opium. What colors
does a positive reaction for Mandelin Reagent give for each? What concerns can arise
6. As a forensic scientist, what would be the next step or process to perform aker the
analysis of your evidence unknown(s) done in today’s exercise?
7. Why did you need standards for TLC and spot test? Describe the role of standards and
the purpose of using standards.
Report Page- Report in the Toxicology Unknown
Unknown ____ is consistent with_________________________________.