Common DNA Testing Myths Busted

DNA is the building block of life. However, when it comes to genetic testing, there is a lot of misinformation associated with the subject. Luckily, our team here at DavisDNA has dispelled some common myths so that you know exactly what to expect from a DNA test:


1. DNA Tests Reveal an Entire Family Tree

This is one of the most common misconceptions about DNA testing. You may have seen this in the movies where a character finds their ancestral secrets through a DNA test. Although DNA is a code that’s passed on through generations, this test can only determine if one person is related to the other. It can’t help state the exact relationship between the two.

So, yes, you can find out if person X is related to you, but you can’t determine how you are related. Another thing to keep in mind is that a DNA test can only match codes with results provided in the database. This means both people need to take the test to prove the relationship.

2. Genetic Information Can Be Leaked 

All DNA tests are done under a strict privacy policy. At DavisDNA & Family Research, our licensed professionals have signed various confidentiality agreements and ensure to keep all information secured and protected. The results aren’t shared with anyone except a referring practitioner and the person who was tested.

3. The Test is Painful 

This is another myth we’ll happily prove wrong. All samples for the DNA test are taken by a cheek swab and are non-invasive. You won’t feel more discomfort than you do while brushing your teeth.

4. The Results Are Received Immediately

Crime shows often tell you that DNA test results are received almost immediately; however, the process takes longer than that. DNA testing has a complicated procedure making it impossible to get results immediately. It might take a few days to get your results.


5. DNA Tests are Extremely Expensive

It is often believed that DNA tests can be only taken by the rich and powerful because they cost an arm and a leg. While this may have been true decades ago, when these tests weren’t that common, they’re readily available now for everyone at an affordable price. Some labs may take an extra amount if the test is taken due to medical or legal purposes.

6. Full Siblings Get The Same Result

Although a child inherits 50% of their ethnicities from each parent, the mix is random. So your full sibling’s ethnic mix may differ from you, resulting in varying test results. Let’s say your parent is 50% American and 50% Irish; one child will get 20% Irish and 30% Asian, while the other may get 10% Asian and 40% Irish.


Are you looking to find biological family roots? We’ve got you covered. At DavisDNA & Family Research, we strive to create awareness about DNA testing and its genealogical uses. Based in Tampa Bay, Florida, we offer DNA analysis and forensic genealogy support nationwide. Get in touch with us to learn more about our comprehensive services.