- 01 Introduction
- 02 Biology of DNA
- 03 Practical Issues Specific to DNA Evidence
- 04 Introduction to the Forensic DNA Laboratory
- 05 Assuring Quality in DNA Testing
- 06 Understanding a Forensic DNA Lab Report
- 07 Statistics and Population Genetics
- 08 Mitochondrial DNA & Y-STR Analysis
- 09 Forensic DNA Databases
- 10 Collection of DNA Evidence from Suspects and Arrestees
- 11 Pretrial DNA Evidence Issues
- 12 Victim Issues
- 13 Trial Presentation
- 14 Postconviction DNA Cases
- 15 Emerging Trends
Principles of Forensic DNA
for Officers of the Court
for Officers of the Court
Module 2 :: Biology of DNA
Topic 2 :: Basic Biology of Forensic DNA Identity Testing
STR Markers
Research was conducted to select DNA markers from the polymorphic (variable) noncoding regions of the human genome for the purposes of forensic identity testing.
In the United States, the National DNA Database (CODIS) requires the use of 13 STR markers:
Access information about CODIS at http://www.fbi.gov/hq/lab/codis/index1.htm.
