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Link to our lab as a pdf - College of Science - Marshall University

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Pre-Lab Questions<br />

DNA Background<br />

1. What is the key difference between PCR and RFLP?<br />

2. Why does this difference make PCR better suited for forensics?<br />

3. What causes DNA <strong>to</strong> move during electrophoresis?<br />

4. How is the DNA sorted after electrophoresis?<br />

5. What is a Ladder?<br />

Procedure<br />

6. How much DNA goes in<strong>to</strong> each lane?<br />

7. What always goes in the first lane <strong>of</strong> the gel?<br />

8. Why is it important <strong>to</strong> write down the loading order <strong>of</strong> the samples in the wells?<br />

9. Which direction does DNA travel? Should the wells be on the end near the black or red electrode?<br />

The Mystery <strong>of</strong> Lyle and Louise 25

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