How does the Grandparent’ DNA testing work?

The lovely grandparents who love their grandchildren even more than their children are the best blessing for us. But did you know almost 25% of your DNA comes from each of your grandparents!! Interesting right? Although it is not that surprising given your parents came from them but just this knowledge alone gave the experts. A new to way determine paternity and establish a blood relation by using the Grandparent DNA testing.

Grandparent DNA testing is generally used when the alleged father is not available for testing. If they refuse to participate in a paternity test. In that case, either one of the grandparents or both can undergo a DNA test to determine. Whether they are the biological grandparents of the grandchild.

During the grandparentage DNA testing, a sample is collected by using a buccal swabs test. In this test, a sterile cotton swab is rubbed against the inner side of the cheek to collect a DNA sample and then this sample is sent to the laboratory for further testing. Since this test doesn’t involve invasive techniques it is safe for both infants and adult grandchildren.

The results arrive within 3-5 business days.

• Interpretation of the results

If the grandparent and grandchild are truly related biologically. The grand parentage index value shows the value greater than 1.0 in their Grandparentage DNA test. But in the case where they are not related biologically the grand parentage value is below 1.0.

• Accuracy of the grandparent DNA test

If both the grandparents and the biological mother participate in the test. The results are accuracy of the test increases to nearly 99.9% or even higher.

How does a grandparent DNA test work?

To ascertain whether a grandparent and grandchild have a likely genetic tie, a grandparent DNA test examines specific genetic markers. The procedure is as follows;

• DNA is extracted from the grandparent and grandchild using a soft mouth swab. An online-purchased DNA test kit can be used for this.
• For examination, the specimens are sent by mail to a DNA testing facility.
• Each swab has its DNA extracted and amplified by technicians in the lab.
• Short tandem repeats are specific regions of the DNA that are studied. The genetic profile is derived from the number of repeats at each locus.
• To determine the amount of DNA shared, the grandchild’s and grandparents’ profiles are contrasted.

Can a grandparent do a DNA test on a grandchild?

It is indeed permissible for a grandparent to buy a DNA test kit on their own and test their grandchild. A grandparent can continue with testing that discloses genetic links as long as the legal guardian or parent of the child approves of the DNA collection.

For their own piece of mind, grandparents can independently confirm their relationship to their grandchildren with court-ordered DNA testing such as grandparent DNA test CVS.

Can a grandparent’s DNA test be wrong?

Results from reputable labs that use tried-and-true DNA testing procedures for devoted grandparents are incredibly accurate. With a 99.9% accuracy rate, grandparent paternity test false positives are extremely rare.

Have DNA samples taken by professionals in a facility that has been certified for the best results. Verify the validity of your grandmother DNA test percentage by following the chain of custody and analytical protocols. Though incredibly rare, mislabeled samples or flaws in the lab process may result in inaccurate grand parentage determinations. Thus, take action to guarantee a strict procedure.

Conclusion

Grandparents have a distinct position in family trees, from giving lifelong wisdom to witnessing aspects of the family reflected over generations. Modern DNA testing now gives grandparents the ability to verify biological relationships with their prized grandchildren with science. Easy oral swab kits that may be used at home allow grandparents to take the lead. With the knowledge that your family’s legacy will always be there in your grandchildren’s DNA, cherish them.