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How DNA Profiling can Help Criminal Cases

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You receive an e-mail from your supervisor about her attendance at the upcoming City Council meeting. At the meeting, she plans to request an increased budget for a new DNA database. She will be very busy before the meeting and needs your help to prepare her presentation. Reply to your supervisor's e-mail by giving an overview of DNA profiling and how it can be used to solve criminal cases or establish the identity of previously unidentified persons.

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Solution Summary

Solution explains what DNA is and how it is useful in identifying people for court purposes in 725 words with references.

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What is DNA?
According to the CrimTrac's new National Criminal Investigation

"Deoxyribonucleic Acid (pronounced Dee-ox-ee-rye-bo-new-klee-ic Acid and abbreviated as DNA) is the blueprint for life. It is a very long molecule that carries genetic information that governs a person's physical characteristics. Each individual inherits half their DNA from their mother and the other half from their father. With the exception of identical twins, no two individuals share the same DNA sequence."

According to the chemsoc.org
"Deoxyribonucleic acid, or DNA, provides the vital information for genetic inheritance by forming an immense sequence of codes made up from four very simple base units.
Thus DNA analysis is used to analyze genetic information found in human biological material. The discovery that DNA structure is as unique to an individual as a fingerprint has been an invaluable one to the field of forensic science and has enabled individualisation by the analysis of a whole array of biological materials. Thus they are a very powerful means of determining whether two samples may or may not have come from the same person. If two DNA profiles do not match, they must have ...

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