DNA Collection

1. Explain the proper collection and packaging methodologies for biological evidence. Why should biological evidence never be packaged in air-tight or non-breathable mediums?

2. What is PCR analysis? Why is this application important particularly for cold cases or cases in which only a small amount of DNA is recovered?

3. What is STR analysis? Why is this an effective method for DNA typing?

Advanced class. Please do not write paragraphs on basic criminology.

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