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Effect of DNA Testing. From the time of discovery of DNA testing in the mid 80s, use of DNA in determining relationships and also human identity DNA has emerged out as a vital item in crime investigation and also in the civic world. A relationship and its nature between given individuals can be established using DNA testing. In the identification environments any human body component material that carries an individual’s DNA can be used for identification Basically using only a piece of human hair one can tell the gender of the owner as well as their ethnicity. Prior the DNA knowledge identification of humans was through blood type. However blood typing was not reliable at all since different individuals could have similar blood type despite the lack of any blood relationship. Since the advent of DNA knowledge the whole world now uses it as the most accurate identification method. From the invention of DNA testing technique it was revealed that even if there is a blood relationship between people there can never be 100% similarity when it comes to DNA matter since it is unique in every individual. 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. Where the samples are not identical but shows a big percentage of similarity than they most probably come from related individuals. 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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In legal cases DNA testing is used for child support and by immigration board in monitoring. In cases of legal doubt DNA testing helps establish the best platform for identification and establishment of a relation. 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. This case is a good example of legal DNA testing use. 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 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.