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Web Extras

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What Is DNA?

Web-Extra 13-1 Understand the structure of DNA and follow the step-wise construction of the DNA molecule.
Source: National Institute of Justice, U.S. Department of Justice, Principles of Forensic DNA for Officers of the Court, 2006.

Polymerase Chain Reaction

Web-Extra 13-2 Amplifying DNA by Polymerase Chain Reaction
Source: National Institute of Justice, U.S. Department of Justice.

Short Tandem Repeats (STRs)

Web-Extra 13-3 See the 13 CODIS STRs and their Chromosomal Positions

Web-Extra 13-4 See How To calculate the Frequency of Occurrence of a DNA Profile
Source: National Institute of Justice, U.S. Department of Justice, Principles of Forensic DNA for Officers of the Court, 2006.

Web-Extra 13-5 Understand the Operational Principles of Capillary Electrophoresis
Source: National Institute of Justice, U.S. Department of Justice, Principles of Forensic DNA for Officers of the Court, 2006.

Web-Extra 13-6 See the Electopherogram Record from One Individual’s DNA
Source: National Institute of Justice, U.S. Department of Justice, Principles of Forensic DNA for Officers of the Court, 2006.

Web-Extra 13-7 An animation depicting Y-STRs
Source: National Institute of Justice, U.S. Department of Justice, Principles of Forensic DNA for Officers of the Court, 2006.

Mitochondrial DNA

Web-Extra 13-8 See How We Inherit our Mitochondrial DNA
Source: National Institute of Justice, U.S. Department of Justice, Principles of Forensic DNA for Officers of the Court, 2006.

Web-Extra 13-9 Look into the Structure of Mitochondrial DNA and See How its Used for DNA Typing.
Source: National Institute of Justice, U.S. Department of Justice, Principles of Forensic DNA for Officers of the Court, 2006.

Chapter Summary

Web-Extra 13-10 DNA Forensics
This web site provides useful information on the applications of DNA typing in forensic science. Brief descriptions of different types of DNA profiling methods are provided. The site also offers case examples demonstrating the utilization of DNA typing, as well as a section dealing with ethics, legalities and social concerns.

NOTE: Every effort has been made to provide accurate and current Internet information. However, due to the constant changing of Internet addresses, or heavy Internet traffic, some web links may not be functional.




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