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Why are Genetic DNA Tests Important?

Genetic DNA testing is one of the results of advances in scientific knowledge which is very useful today. Some of the uses of DNA testing are paternity testing, testing for different genetic diseases during pregnancy or for forensic investigations. Below are some of the uses of genetic testing discussed in detail.

Paternity testing is the first use of genetic testing. This test determines whether a man is the biological father of a child or not. There are many implications if there is doubt whether an individual is the real father of a child or not and these implications impact the relationship of both parents and the relationship between the father and the child. Legal and financial implications are also present. An example for this would be determining is a man is responsible to financially support a child’s growing up needs, and if the DNA test turns out to be positive then he has to assume this responsibility. In this instance, genetic testing can be done through collecting a sample of the father’s, mother’s, and child’s DNA which are then compared at various points. This method is very accurate and better than the older methods. Since DNA samples are collected from a swab of the cheek, the procedure is painless.

Creating a family tree and verifying family history is another use of genetic testing. In this case, parts of the Y chromosome that don’t tend to change down through the generations will be compared to others. There will be similar characteristics in certain places of this specific chromosome for people who have a common ancestor and so this 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. You will know your racial ancestry through the results of genetic DNA testing. 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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One important use of parental genetic testing is to discover a number of diseases or health problems before a child is born. 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.

The uses of genetic DNA testing discussed above are just some of the many uses of DNA 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. IN order to determined the results of the tests, the swabs are brought to the laboratory where they test and compare different DNA segments.

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