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Touch DNA | ||
| Jornal of Biotechnology Research Center | ||
| Article 1, Volume 11, Issue 1, 2017, Pages 17-19 | ||
| Author | ||
| Majeed Arsheed Sabbah | ||
| Abstract | ||
| Police investigators across the world use the genetic tests for incrimination to suspects as well as judges' use these tests for convictions. Genetic tests were accurate and sensitive for low DNA concentrations. Criminals may did not leave any visible evidences behind their crimes but they may leave some invisible cells when they touch surfaces can lead to their identity. Scientists try to improve methods for cells collection and DNA extraction in order to get suitable DNA quantity for genetic analysis. The DNA that isolated from touched surfaces as Touch DNA. Several factors play major roles in getting suitable DNA amount for genetic analysis those were related with the touch person, others related to the nature of the touched surfaces, cells collection and DNA extraction methods. | ||
| Keywords | ||
| Touch DNA; Forensic; genetic analysis | ||
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