DNA testing has overthrown the way police collect evidence in a number of criminal cases, especially rape and murder and consequently had a large impact on many past cases. However there are many disadvantages to DNA testing, such as a challenge of accuracy, the costs of DNA testing and the possible misuse of DNA. The prospect of a national DNA database in Australia has been heavily criticised with complaints of invasion of privacy and stigma against those with terminal diseases.

Deoxyribonucleic acid, or DNA as it is most commonly known, is a strand of molecules found within the cell nucleus of all living things. It is called a "genetic fingerprint" because each is different to the other and everyone, apart from identical twins, have different DNA patterns.
To extract DNA from a human is a simple process; it can be extracted from body tissue, such as the scraping of the inside of the mouth, or through blood.

DNA testing was first used in a criminal case in the United Kingdom......

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Title: Dna Testing
Approximate Word Count: 914
Approximate Pages: 4 (250 words per double-spaced page)

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