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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 identification different human body parts carrying DNA can be used Even body parts made of continuous dead cells like hair can be used to tell gender and ethnic background of an individual. Prior the DNA knowledge identification of humans was through blood type. 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. 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 relies on comparing certain DNA features called DNA markers between two individuals. 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. If samples are similar to a certain extent then it denotes that the individuals have a relationship to that extent.
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Nowadays DNA testing is used to settle both criminal and non-criminal 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. Suspection holds no finality if DNA testing proves else.
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For legal cases DNA testing might be used in child support or immigration 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. 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. DNA testing helps shed light on the ethnicity of a child during adoption.