Home DNA Grandparent Test

The DNA Grandparent Test is used to investigate the likelihood of a grandparent-grandchild biological relationship. This test is best used when the alleged father is unavailable for testing. Either or both grandparents can take this test to determine if they are the biological grandparents of a grandchild. DNA testing is ageless and can be performed on infants as well as adult grandchildren. A complete genetic report is included with every test.

  • Results delivered in 1 to 2 business days
  • Each DNA test is conducted twice for 100% accuracy
  • SCC, AABB, ISO/IEC 17025 & CLIA accredited laboratory


Need a legal DNA test?

AABB, SCC & ISO/IEC 17025 Accredited

Test Description

The DNA Grandparent Test is used in situations where the alleged father is not available for testing. Either the grandmother, or the grandfather, or both can take the DNA grandparentage test to investigate the likelihood that they are the true biological grandparents of a grandchild. There is no age limit for DNA testing so the test can be performed on infants as well as adult grandchildren. The full genetic report is included with every test.

Technical Information

During a DNA grandparent test, a buccal swab (mouth swab) is taken from the grandparent(s) and the grandchild to collect cells containing genetic information in the form of DNA (deoxyribonucleic acid). Each person’s DNA represents a unique “genetic blueprint,” akin to a fingerprint. In the laboratory, the DNA is extracted from the cells, and specific DNA regions are amplified through a process called PCR (polymerase chain reaction) for thorough scrutiny. The grandparent’s DNA pattern is then compared to that of the grandchild. A statistical analysis is conducted based on the match type typically expected for true grandparent/grandchild pairs, producing a “grandparentage index.” True biologically related grandparent/grandchild pairs usually have a grandparentage index value greater than 1.0 in their DNA grandparentage test report. Conversely, individuals who are not biologically related as grandchild/grandparent tend to have a grandparentage index value lower than 1.0. The higher the grandparentage index value over 1.0, the higher the likelihood that the grandparent/grandchild pair is related. Conversely, the lower the grandparentage value is below 1.0, the lower the probability that the two individuals are related.

How Home DNA Testing Works

Order Test Kit

From paternity tests to grandparent tests, we offer a wide range of DNA tests to fit your needs.

Collect & Ship

Easily swab the participants with our painless mouth swabs, then send the samples to our laboratory for analysis.

Receive Results

Access your confidential results online within 1-2 business days. Our team of experts is available for any questions.

Secure & Confidential Online Results

Monitor the progress of your tests in real-time and securely access your confidential results anytime, anywhere, on any device.

Frequently Asked Questions

Selecting an accredited DNA testing laboratory is essential for several reasons. Firstly, accreditation serves as a mark of legitimacy and trustworthiness. It assures you that the laboratory meets stringent standards and follows established protocols to ensure accurate and reliable testing.

Accreditation also guarantees the highest quality of testing. Accredited laboratories undergo comprehensive evaluations by reputable organizations to assess their proficiency and competence. By choosing an accredited laboratory, you can have confidence in the precision and integrity of your test results.

At Genetrack, we take pride in being one of the few DNA laboratories worldwide to have received all major internationally recognized and prestigious DNA laboratory accreditations. These include the Standards Council of Canada (SCC), American Association of Blood Banks (AABB), College of American Pathologists (CAP), Clinical Laboratory Improvement Amendments (CLIA), and ISO/IEC 17025, a testament to our commitment to upholding the highest standards in DNA testing.

Once you place your order for Home DNA Grandparent Test, we'll promptly send you a DNA test kit. The kit comes complete with easy-to-follow instructions to guide you through collecting a mouth swab sample from each person participating in the test. Simply rub the swabs gently inside the mouth for 15 seconds, then send the collected samples to our laboratory for analysis.

We'll start testing your DNA samples immediately after they arrive at the laboratory, and your Home DNA Grandparent Test results will be ready within just 1 to 2 business days. We'll notify you when your samples arrive at the lab, and again after your test is completed. You can download or view your results directly from your secure online account, available online 24/7.

Once we receive your samples, testing begins immediately, and results are usually ready within 1 to 2 business days. You can access your results securely online through your secure online account.

You can view your Home DNA Grandparent Test results discreetly from your secure online account once the test is completed. You also have the option to download and print unlimited copies of your final test report.

This test is used to determine if an individual is the biological grandmother or grandfather of a child when the alleged parent is not available for testing. This could be for personal reasons, such as establishing family relationships, or for legal reasons, such as inheritance disputes or immigration cases.

Yes, the home DNA test is just as accurate as the legal DNA test. Both tests are performed in our accredited laboratory and use the same advanced technology and rigorous testing procedures to analyze the DNA samples. The results from both tests are equally accurate and reliable.

The main difference between the two tests is not the accuracy of the results, but the method of sample collection and the documentation process. For a home DNA test, you collect the samples yourself at home, while for a legal DNA test, the sample collection must be witnessed by a neutral third party, such as a medical professional or a legal representative, to maintain a chain of custody. This chain of custody process is what makes the results of a legal DNA test admissible in court.

So, if you need the test results for legal purposes, such as child custody cases, child support disputes, inheritance claims, or immigration applications, you would need to opt for the legal DNA test. If you're simply seeking to confirm a biological relationship for personal knowledge, the home DNA test would be sufficient.

Absolutely! If the participants live in different cities or even different countries, we offer the flexibility to ship the DNA test kit to multiple addresses. To request a split kit, simply provide the names and addresses where each kit should be mailed in the comments section of the order form and include a note saying "please split this kit". Please note that an additional fee of $10 will apply per additional address.

Each component in the kit is labelled with barcodes that are specific to your test order. This means that even if you choose to split the kit and send the respective components to each party for sample collection, the samples will still be tested together once they arrive at the laboratory. This ensures that all samples are correctly matched to your test order, providing accurate and reliable results.

No, our at-home DNA grandparent test kit allows you to collect DNA samples from the comfort of your own home. The kit includes all the necessary materials and instructions for sample collection. Once you’ve collected the samples, you simply send them back to our lab for testing.

Yes, there is no age limit for DNA testing so the test can be performed on infants as well as adults. The DNA sample is collected using a simple and painless cheek swab.

The Home DNA Grandparent Test kit has no expiration date, so you can use it at any time that's convenient for you. After you've collected the samples, the DNA remains viable for at least 3 months. This means you have plenty of time to send the samples back to our lab for testing.

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