Dna And Crime Essay

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DNA and Crime

Deoxyribonucleic Acid - the fingerprint of life also know as DNA was
first mapped out in the early 1950’s by British biophysicist, Francis Harry
Compton Crick and American biochemist James Dewey Watson. They determined the
three-dimensional structure of DNA, the substance that passes on the genetic
characteristics from one generation to the next. DNA is found in the
chromosomes in the nucleus of a cell.
"Every family line has it’s own unique pattern of restriction-enzyme DNA
fragments. This variation in patterns of DNA fragments found in human genetic
lineages is called ‘restriction-fragment length polymorphism’(RFLP)." (Louis
Levine, ?) Because each person, except for identical twins(which have the
exact same DNA), is
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Also, dog hairs on the victims clothing
matched hairs from Kotler’s German shepherd. Kotler, 37, is free on $25000 bail
and could get up to 50 years in jail if convicted of rape and kidnapping.
Anamosa, Iowa: 22 year old Cathy Jo Bohlken was sexually assaulted and
murdered. Genetic evidence from fluid taken from her body points to an 18 year
old named Travis Jamieson. Bohlkan’s body was found DEC 26, 1993 on the floor
of her duplex with a bag over her head and her hands wrapped with duct tape.
Autopsy shows she died of multiple stab wounds. The search of a pick-up truck
registered to Jamieson’s parents revealed a utility knife and a “red-brown stain”
on the steering wheel. (http://www.wcinet.com/th/news/th0208/stories/1355.htm)
Norman, Okl:Thomas Webb III was released after more than 13 years in prison
for a 1982 rape. DNA testing was not available at the time so Gale Webb, Thomas’
wife, pushed authorities to use DNA genetic profiling on the 14 year old
evidence. These DNA tests ruled him out as a suspect.
Santa Ana, Calif: Kevin Lee Green cried as the judge apologized for the
mistake and freed him from prison after nearly 17 years. He was convicted of
killing his unborn baby and nearly beating his wife to death.
He was released as authorities prepared to charge a convicted rapist
with the murder of Green’s unborn child. The reversal of Green’s conviction
came after another…