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DNA fingerprinting and its use in crime detection.
Member rating: No Rating | Words: | Submitted: Mon Jun 19 2006
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DNA fingerprinting and its use in crime detection This essay will discuss the issues surrounding the use of DNA fingerprinting in the prevention of crime. A description of the methods used to create a DNA fingerprint and the retrieval of DNA evidence from crime scenes. The current debates over the validity of DNA fingerprinting and its use as evidence in the courtroom also the ethical problems surrounding the present DNA database. In humans, a DNA molecule consists of two strands that wrap around each other to resemble a ladder whose sides, made of sugar and phosphate molecules are connected by rungs of nitrogen-containing chemicals called bases. Each strand is a linear arrangement of repeating similar units called nucleotides, which are each composed of one sugar, one phosphate, and a nitrogenous base. Four different bases are present in DNA, which are adenine thymine cytosine and guanine. The particular order of...
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