President's DNA Initiative

Crime Scene and DNA Basics for Forensic Analysts

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  • Evidence at the Crime Scene
    • Objectives
    • Types of Evidence
    • Crime Scenes
      • Outdoor
      • Indoor
      • Conveyance
    • Location & Collection of Evidence
    • Preservation of Evidence
    • Collection Techniques
      • Reference Sample Collection
    • Packaging & Storage
    • Documentation - Chain of Custody
  • History and Types of Forensic DNA Testing
    • Objectives
    • DNA Typing by RFLP Analysis
      • VNTRs
      • Probes
      • Disadvantages
    • Polymerase Chain Reaction (PCR)
      • DQ-Alpha
      • AmpFLPs
    • Short Tandem Repeats (STR)
    • DNA Analysis Flowchart
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