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How DNA Testing Has Changed Everything. History of DNA testing is rated approximately #% years ago, it has been used in human identification and establishing relationships present among different individuals. Apart from establishing a relationship between two people DNA has also helped determine the nature of relationship between the individuals. In identification different human body parts carrying DNA can be used Basically using only a piece of human hair one can tell the gender of the owner as well as their ethnicity. Before indent of DNA testing, identification was through blood typing. Blood typing the means that was used for identification before invention of DNA testing was not a very concise way of identifying individuals since there only a few blood types compared to the very great number of individuals on the globe Since the advent of DNA knowledge the whole world now uses it as the most accurate identification method. When knowledge of using DNA for human identification came in, human identification and relationship have been discussed on the revelation that DNA is a unique molecule that can help tell people from each other.The DNA testing notion came to emphasize that DNA is a component that is a unique making also people unique from each other unlike the use of blood typing. DNA markers are the unique features in DNA that basically aids in identification. When the patterns from different DNA samples match, then they are likely to come from the same individual. Complete match of a sample at hand and another indicates that samples belong to the same individual while some degree of matching indicates that the individuals have a close relation. If samples are similar to a certain extent then it denotes that the individuals have a relationship to that extent.
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Not only in criminal cases that DNA testing can be applied but also on the non-criminal cases or in other words the legal cases. Of the two methods how DNA testing is performed varies from one method to the next. While judging cases from a crime scene where a stain of DNA was collected, it must match that of the suspect to prove them guilty.To prove a suspect guilty in investigation of matters at crime scene DNA stains at crime scene should match those of the suspect. In any cases it is against legal rights of a person to be detained out of non-evident suspicion.
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A non-criminal way of using DNA test is child support or immigration. Where there is no much relevant information that can be used to get the full identity, DNA can be used to determine the degree of relatedness between the finding of the DNA and the documentation at hand. Also the ethnicity of individuals involved can be determined. Legally in certain parts of the world, sector of child support DNA testing is used to prove the biological parents of a child for the child to receive essentials entitled to them. Above is an elaborate case of other ways of using DNA testing other than criminal cases. Also when it comes to child adoption practices DNA testing helps a great deal. Ethnic backgrounds is a matter of consideration when it comes to adoption DNA testing helps shed light on the ethnicity of a child during adoption.