Our technicians can extract the necessary DNA from a wide variety of samples. Grandparentage Testing Grandparentage DNA testing services is capable of determining the relationship between grandfather or grandmother with either granddaughter or grandson.
Samples normally required are from both grandparents.
In cases where one grandparent's sample is not available the testing can still be performed requiring more in-depth DNA analysis. Deceased Father Parties wishing to establish the paternity with the unavailability of paternal samples are able to use our Father Unavailable DNA Testing Services. In such cases, DNA samples are obtained from paternal relatives or deductive DNA analysis from family reconstruction. Sibling-Sibling Testing DNA Testing can be used to establish the relationship between siblings. Samples required are from both parties from whom the relationship is to be determined.