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Effect of DNA Testing. History of DNA testing is rated approximately #% years ago, it has been used in human identification and establishing relationships present among different individuals. DNA testing helps determine if there is a relationship between given individuals and also aids in determining what kind of relationship is there. 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. 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 invention of DNA testing all fields have preferred it to other means 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. Where the samples are not identical but shows a big percentage of similarity than they most probably come from related individuals. The degree of relatedness between two people is shown by the degree of similarity between their DNA samples.
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Now for both criminal and legal cases DNA testing can be applied. 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. 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. Such cases present a good example where DNA testing is used legally. 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.