DNA testing has proved to be a major technological and scientific advancement. It has been used as an effective tool in determining ancestral and familial links among different groups of people. In addition to that, it has also been useful in the field of agriculture. Through the genetic marks found in every living organism, every individual stands out from its species. When testing your DNA, you have two options: to get it done through a certified testing center or do it at home with the help of DIY DNA testing kits. Both start with sample collection. Buccal swabbing is considered as a good source of sample collection.

When using a DIY kit, you should put the sample in the envelope that came with the kit. Fill in all the necessary information and send it to a laboratory of your choice for analysis. After three to seven working days, you may go and collect the results personally or have them mailed to your address. Through all these steps, it should be stressed that sample collection plays a key role in the accuracy of the DNA test, so try your best to avoid specimen contamination. Also, be careful with the testing center you choose. It is a good idea to do some research before to determine its reputation and credibility.

Go through customer feedback, ratings and reviews to get an idea. When assessing DNA (or any other genetic test), remember that every person has two different sets of genetic markers, one from their mother and one from their father. If you are assessing a paternity test, you should first look at what you and your mom have in common. The remaining genetic marker in the child must come directly from their biological dad. If the father has that same genetic marker, he is not excluded. However, if the genetic marker is absent, he is excluded.

For instance, a DNA test result appears with the genetic marker and the person tested as:

Mother – 3 4

Alleged Father – 7 6

Child – 3 6

Note that the mother takes her genetic markers of 3 and 4 from her biological parents. When we look at the child, he shares with his mother the genetic marker 3, which he inherited from her. The number 6 in the child must be from the biological father since the mother doesn’t have that genetic marker. Note that the alleged father has the number 6 genetic marker, a number that is required from the biological father. Thus, the alleged father cannot yet be charted out from the test because his genetic marker includes the number 6.

If, in the example, the alleged father had a genetic marker of 2 8, he would have been excluded from the paternity test on the grounds that he does not have the number 6.

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