The Implications of DNA Profiling

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The Implications of DNA Profiling

Former attorney General Janet Reno described our system of justice as a search for the truth.(1) Increasingly, the forensic use of DNA technology is an important ally in that search. DNA fingerprinting, better known in the scientific realm as DNA profiling, has given police and the courts a means of identifying the perpetrators of rapes and murders with a very high degree of confidence. However, nine years after its introduction, forensic DNA typing is still used only selectively. This is due to a variety of factors, including the unavailability of forensic typing to local prosecutors, the time required to perform the typing, and the costs of the tests if private laboratories are utilized. Formerly used only in research labs, DNA fingerprinting has recently made headlines in the media due to the spectacle of the O.J. Simpson murder trial, where DNA tests played a crucial role. While DNA profiling is being used more and more to help convict as well as exonerate potential suspects in criminal cases, the jury is still out in terms of the role DNA will eventually play in the legal system. The broad ramifications of DNA fingerprinting, especially concerns over its misuse, have raised serious moral and ethical dilemmas.

The process of DNA Fingerprinting: How and Why It Works

DNA is the master molecule of life and controls the growth and development of every living thing. Except for identical twins, the sequence of the base pairs within the DNA helix is unique for every person, and forms the individual's genetic code or blueprint.(2) An individual's DNA remains the same throughout life, and it is a person's unique genetic code that allows scientists to identify an individual to the exclusion o...

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6. Ibid., 37.

7. David F. Betsch, "DNA Fingerprinting in Human Health and Society," Genentech's Access Excellence, http://esg~www.mit.edu.8001/esgbio/rdna/fingerprint.html, (June 1994).

8. "DNA Fingerprinting," Newton's Apple, http://ericir.sir.edu/projects/Newton/13/lessons/dna.html, (October 1994).

9. Betsch, 2.

10. Coleman and Swenson, 62.

11. Ibid., 62.

12. T. Burke, G. Dolf, A.J. Jeffreys, and R. Wolf, eds., DNA Fingerprinting: Approaches and Applications (Basel: Birkhauser Verlag, 1991), 1.

13. Alan M. Dershowitz, Reasonable Doubts (New York: Simon & Schuster, 1996), 46.

14. Coleman and Swenson, 93.

15. Dershowitz, 30.

16. Coleman and Swenson, 97.

17. Connors et al., 25.

18. Coleman and Swenson, 5.

19. Ibid., 9.

20. Ibid., 9.

21. Ibid., 10.

22. Ibid., 111.

23. Ibid., 111.

24. Ibid., 111.

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