General testing information

DNA test results are available in 7-10 working days from receipt of samples at the laboratory. One or both grandparents can take part in the test as well as a common parent, such as the mother of the grandchild. The grandparentage DNA test is priced from $949.

When conducting a grandparentage test, it is recommended to test both grandparents (the grandmother and the grandfather) in order to obtain the most conclusive results. If this is not possible, a grandparentage test can be conducted by testing only one grandparent but providing a sample of the mother. Having the mother’s sample will help identify the genetic markers that are inherited from the maternal side and by process of elimination allows us to focus on the paternal DNA profile.

A grandparents test will provide a probability of relationship between the grandmother and grandchild and the grandfather and grandchild. The results can be very accurate but will never provide as accurate a result as testing directly the DNA samples of the alleged father and child. If a viable DNA sample belonging to the alleged father is available, then we strongly suggest carrying out a paternity DNA test.

Note: We can only guarantee standard result turnaround time when testing takes place solely using oral swab samples. Using a discreet sample for your test may lead to an increase in turnaround time.

Male relatives can carry out a Y chromosome test

If participants to be tested are male (and no females involved) we suggest doing a Y chromosome test. The Y chromosome is inherited by all males from the same, direct paternal line and all males from that paternal line will share the same Y chromosome. This makes Y chromosome testing a powerful tool if you wish to establish whether any 2 males share a common paternal relative. Visit our Y chromosome testing page for more information about this test.