CRJ 311 - Week 4 - Assignment - DNA in Criminal Investigations

Apr 10th, 2015
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DNA in Criminal InvestigationsCRJ 311 ForensicsIntroductionToday DNA technology is no longer on trial; in fact, it has now been rather neatly integrated into the courtroom. This, of course, does not mean that there are no controversial issues surrounding the use of DNA technology in criminal prosecution. What is striking is that the dominant controversies about DNA technology now revolve around the competence of the criminal justice system rather than the reliability of the technology itself. The very precision of DNA technology is, in fact, exhibit 1 in the current trial of the criminal justice system.The comparison of Short Tandem Repeats (STR's) and the newest form of DNA testing is hardly comparable. There is a difference that is important in the study of Forensic DNA investigations. PCR methods had been extensively validated by the scientific community and have a history of acceptance by courts throughout the country. Population studies have demonstrated that, in combination, these powerful tests can provide discrimination potentials in excess of 99.9% as long as the core sequences were 15 - 35 bases long and would repeat itself up to 1,000 times. Actually referred to as the Restriction Fragment Length Polymorphisms (RFLPs), this DNA typing had the preeminence of being scientifically accepted protocol as the US's forensic contribution toward DNA typing for Criminal Justice (Saferstein, 2011). Forensic Analytical provides high quality PCR-b

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