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Essay / Research Paper Abstract
4 pages in length. The writer discusses methods used for detecting criminals after the crime has occurred. Bibliography lists 8 sources.
Page Count:
4 pages (~225 words per page)
File: LM1_TLCforenscrim.rtf
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which DNA testing has evolved over time with regard to forensics today is both grand and far-reaching; that DNA testing now provides for the following identifications speaks to the manner
by which forensics investigators finally have the upper hand over criminal detection: o Identify potential suspects whose DNA may match evidence left at crime scenes o Exonerate persons
wrongly accused of crimes o Identify crime and catastrophe victims o Establish paternity and other family relationships (Human Genome Project, 2008).
DNA represents the fundamental properties of every individual upon the planet, with no two people having the same DNA structure. This fact in and of itself allows forensic
investigators a significantly better opportunity to identify both criminals and victims when conventional methods are not suitable. Chapter 13 illustrates how DNA is so critical to the operation of
forensic science by virtue of explaining the intricate structures formulated through various typing processes, not the least of which is short tandem repeat (STR) analysis, which is now considered to
be "the most successful and widely used" (Saferstein, 2004, p. 396) DNA profiling tool. The benefit of STRs over and above previous DNA profiling methods is the ample numbers in
which they exist, making identification a much more accessible venture. Because of the inherent composition, the structural integrity is typically upheld during decomposition or other bodily damage, thereby allowing
forensic scientists the ability to recover identification from what might seemingly be inadequate body tissue, strand of hair or blood stain (Saferstein, 2004). Some of the DNA techniques used in
forensic investigations include Restriction Fragment Length Polymorphism (RFLP), which analyzes DNAs variable fragment lengths. Ingesting an enzyme - restriction endonuclease - responsible for determining these lengths allows investigators to
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