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DNA testing has overthrown how police gather evidence in a number of criminal cases, particularly rape and murder and consequently had a large effect on many past circumstances. However there are lots of downsides to DNA testing, such as a challenge of accuracy, the prices of DNA testing and the possible misuse of DNA. The possibility of a federal DNA database in Australia has been greatly criticised with complaints of invasion of privacy and stigma against those with terminal diseases. Deoxyribonucleic acid, or DNA as it is most commonly understood, is a strand of molecules found inside the cell nucleus of all living things. It's called a "genetic fingerprint" because each is different to another and everyone, aside from identical twins, have distinct DNA patterns. To extract DNA from a human is an easy procedure; it can be extracted from body tissue, such as the scraping of the inside of the mouth, or through blood. DNA testing was utilized in a criminal case in the uk in 1987. DNA evidence in courts has been widely accepted as then and is seen as a dependable source, due to the high accuracy of their results. However many men and women disagree to the usage of DNA outcomes. Many question the accuracy of all DNA evidence, as only DNA segments are utilized in databases in contrast to the whole DNA strand. The potential for DNA testing being inaccurate is very low, however, except in cases of identical twins who posses the exact genetic makeup. DNA testing is also very expensive, and.