Forensic DNA: Non-Human DNA
Forensic investigations can be aided by association of biological material from animals, plants, or microbes to a victim or suspect. For example, domestic animals such as cats and dogs live in human habitats and may deposit hair that can be used to associate a suspect with a particular crime scene or victim. Thus, efforts are underway to improve genetic marker systems and assays for cat and dog DNA. Sources of marijuana may also be linked through the power of DNA testing.
Entomological evidence also can be used to investigate crimes. For example, insects found on a homicide victim can help determine time of death.
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Date Modified: December 23, 2014