Life
Deoxyribonucleic Acid (DNA) reveals an individuals unique genetic code, something very helpful to reveal clues in various crimes around the world. By recovering DNA from a crime scene, technicians can perform various tests to compare and analyze the DNA sequence. Among these tests are Gel Electrophoresis, the Sanger Method, and Southern Blotting.
DNA can be extracted from almost any human tissue. Sources of DNA found at a crime scene might include blood, seamen, tissue from …
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…to identify crime suspects, DNA identification and profiling is now the method of choice. Since its first use in an Australian court in 1989, the technology has moved from the controversial to the mainstream. The techniques available such as southern blotting, the Sanger method, and gel electrophoresis are very accurate, fairly quick, and relatively inexpensive (Trudinger 1). Due to these techniques DNA can be analyzed and compared to other samples thus allowing forensic scientists to identify individuals.
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