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How Useful DNA Testing Can Be. From the discovery of DNA testing the task of human identification and also the determination of relationships between different individuals have been made very easy. DNA testing helps determine if there is a relationship between given individuals and also aids in determining what kind of relationship is there. In identification different human body parts carrying DNA can be used Human hair can help clarify on what gender the holder belongs to and also tell something on their ethnicity. Method of identifying people using blood types was used before the invention of the DNA testing method. 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 From the time DNA testing came all fields have registered attention when it comes to this issue of identification. 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. The similarity degree shows the degree of relationship of the individuals owning the samples.
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Nowadays DNA testing is used to settle both criminal and non-criminal cases. However DNA testing is performed according to which case is being handled of the two. 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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For legal cases DNA testing might be used in child support or immigration monitoring. 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. By DNA testing ethnic background of an individual can be determined. In some parts of the world agencies use DNA in child support to determine real parents of a child for the purposes of providing necessary child care, maintenance and the correct documentation. 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. Whereby adoption in many cases happens on basis of ethnic background. Where ethnic backgrounds cannot be determined DNA testing helps to solve this.If ethnicity of a child to be adopted is not well-known DNA testing aids in determination.