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Step 3: DNA Analysis
In this step, three types of forensic DNA analyses are typically conducted:
- Nuclear
- Y chromosome
- Mitochondrial
This explanation will focus on nuclear DNA analysis as the standard DNA test. Nuclear short tandem repeat (STR) is the most common method used in the United States. DNA analysis can be divided into four distinct parts: extraction, amplification, detection and interpretation. The following discussion will examine each part and the role it plays in the overall analysis of DNA evidence.
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Additional Online Courses
- What Every First Responding Officer Should Know About DNA Evidence
- Collecting DNA Evidence at Property Crime Scenes
- DNA – A Prosecutor’s Practice Notebook
- Crime Scene and DNA Basics
- Laboratory Safety Programs
- DNA Amplification
- Population Genetics and Statistics
- Non-STR DNA Markers: SNPs, Y-STRs, LCN and mtDNA
- Firearms Examiner Training
- Forensic DNA Education for Law Enforcement Decisionmakers
- What Every Investigator and Evidence Technician Should Know About DNA Evidence
- Principles of Forensic DNA for Officers of the Court
- Law 101: Legal Guide for the Forensic Expert
- Laboratory Orientation and Testing of Body Fluids and Tissues
- DNA Extraction and Quantitation
- STR Data Analysis and Interpretation
- Communication Skills, Report Writing, and Courtroom Testimony
- Español for Law Enforcement
- Amplified DNA Product Separation for Forensic Analysts