A Quick Overlook of DNA – Your Cheatsheet

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All about DNA Tests and Applications.

DNA testing has become very common today despite being discovered not long ago, its use in the criminal justice system and other fields has made identification of persons very easy. A conclusive relationship will determine whether there is a relationship- between two people and how they are related. In the next couple of years a strand of hair will not only tell the identity of the person but it will also narrow down to the age of the person as well. Before there was DNA testing human identity was through blood typing. In comparison between blood typing and DNA testing, the latter has superseded the former because of being more accurate. DNA testing works by comparing two DNA features that are known as DNA markers because each person has very unique ones.

DNA fingerprinting also uses almost the same concept as it compares the whorls and the loops in the fingerprints of the individual that are unique to that individual. In a test there will be a sample with which the test is being run against, if the patterns in the sample and the test prove to be identical then they are likely to be from the same person. Even if profiles prove to be different but similarities can be observed in the samples then it proves that there is a high chance that the people are related. The degree of similarity points out to the degree of relatedness as well. DNA testing is largely applied in criminal applications but there are non-criminal applications as well.

But if you got deeper in it there are differences between the criminal application of DNA testing and the civil use as well. In civil cases the testing of the DNA is done to determine the relationship between two individuals while in criminal application the test will be used to match the evidence that has been collected at the crime scene. Immigration and child support cases make use Of DNA testing , they make up most of the civil uses of the cases. In an event where documentary evidence is not clear enough on relationship between two individuals, DNA tests will be used as the ultimate test to clear all doubts.

In child support cases paternity tests are used to ensure that care is provided to a child is supposed to be under the law. In adoption as well, DNA tests are used but many people wonder how that applies being that there is no relation between the child and the person who is adopting the child. Here the tests will be used to match the child’s ethnic background to that of the person that is hoping to adopt. with a background that works for the child and the family a child will find a family that fits them well. The transition of the child to the new family will be easy this way.

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