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Principles of Forensic DNA for Officers of the Court

Microbial Forensics and DNA Testing

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Scientists apply the principles of forensic science to microbiology (the study of microscopic organisms) and microbial epidemiology (the study of disease-causing organisms in populations). DNA analysis differentiates strains of bacteria, viruses, and fungi, which are highly genetically diverse. Once a strain is fully characterized, tracking its origin may be possible by looking for sources with similar or identical DNA profiles.

Animated Gif of Mitochondrial DNA moving under a microscope
National Institute of Justice (NIJ) (see reuse policy).

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