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Murder, Rape, And DNA
Beginning of Paper
DNA is the information needed by a cell in order to reproduce an
identical offspring. In some crimes detectives have no evidence or fingerprints
to tell who had committed a crime. Now there is a way of finding who has
committed the crime by a method called DNA Typing. DNA Typing i .... Middle of Paper .... Typing is not perfect. There are many loop holes in it. An example
is the O.J. Simpson trial. During the process the DNA may be tampered with or
damaged.
In most rape cases DNA Typing is used by taking semen off the body of
clothes then amplifying the genes. The machine that copies the DNA is called
the PCR. The DNA is then cut and placed the wells in trays. PCR copies the
small pieces of DNA. It is performed by a blotting process. This process has
21 different catogories.
Other tests include those for tracing genetic diseases wit ....
340 words | 2 pages
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