Genetic DNA testing is one of the results of advances in scientific knowledge which is very useful today. These uses include paternity testing, testing for different genetic diseases during pregnancy, or for forensic investigations. Below are some examples of the uses of DNA testing and its purposes.
One of the uses of genetic DNA testing is paternity testing. This test determines if a man is the real father of a certain child or not. Doubt on the identity of a biological father has implications for the relationship both between the parents and between the father and child. Legal and financial implications are also present. One example of this would be determining who is responsible for meeting the child’s financial needs as they grow up. This can be determined by comparing the DNA samples taken from the father, the mother and the child. This method is highly accurate compared to the older methods. Since DNA samples are collected from a swab of the cheek, the procedure is painless.
Another use of genetic testing is to help create a family tree and verify family history. By comparing the Y chromosome that does not tend to change down through the generations, to others, one can trace the family line. People who have a common ancestor will show similar characteristics in certain places of this specific chromosome and so will help establish ancestral lines.
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You can also use genetic testing for ancestry, or determine what percentage of each race group you have in your DNA. Your race history will be revealed by the results of this test. You can find laboratories that offer ancestral genetic testing services and you can also do it yourself through home packs that you can use to test your ancestry.
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Before a child is born, parents can do genetic DNA testing to determine if there are diseases or health problems that can possibly affect the unborn child. Diseases are related to abnormalities in the DNA and DNA testing can discover this so that the parents of the unborn child can be warned of the possibility to the end that they will do whatever is best for the child.
These uses, paternity testing, genetic genealogy, ancestry testing, and testing for possible health problems in an unborn child, are just some of the uses of genetic testing. Since this type of testing does not take blood from a person it is generally non-invasive and painless since you only need DNA swabs which can be taken from the person’s cheeks. The DNA swabs are then analyzed in a laboratory to compare different DNA segments and so determine the results of the above tests.