GeneTree DNA Single Grandparentage This test option enables you to test one grandparent, one grandchild and parent optional. The DNA grandparentage test is 99% accurate (if both grandparents are tested), 90% accurate (if one grandparent is tested).

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GeneTree DNA Single Grandparentage Home Page
(one grandparent, one grandchild and parent optional)

• Accuracy/Reliability greater then 99%
• LOW COST SOLUTION
• Results in 7-10 business days
• SIMPLE: At-home specimen collection
• EASY: Just swab the cheek
• Advanced DNA technology

The GeneTree DNA Single Grandparentage Analysis Test determines the relationship between one grandchild and one alleged grandparent.

Samples are obtained from the grandchild and from the alleged grandparent. Most often, you can collect DNA samples at home by rubbing a swab (provided in the test kit) on the inside of your cheek. However, DNA can also be extracted from hair, tissue, or fluids with cells in them, e.g. blood for additional fee using GeneTree DNA Special Specimen Collection kit. After you collect the sample, send the test kit to our facilities. The results will be available to you within 7-10 business days. The private test is generally not admissible in courts of law. For the most accurate results in a Grandparentage Analysis it is best to include both the grandparents and the child. If both alleged grandparents are included the results are guaranteed to indicate either >99% (inclusion) or 0% (exclusion) probability of Grand-parentage relationship. If only one grandparent is included the conclusive range for results will indicate either >90% or <15% probabilities.

The following related DNA tests are available to better handle your situation if necessary: 

1.) GeneTree DNA Single Grandparentage (Additional) enables you to test additional alleged grandchildren in the Single Grandparent Test
2.) GeneTree DNA Duo Grandparentage determines genetic grandparent of child using both grandparents, one grandchild, and parent optional
3.) GeneTree DNA Duo Grandparentage (Additional) enables you to test additional alleged grandchildren in the Duo Grandparent Test.
4.) GeneTree DNA Grandparentage (Legal Collection) enables you to request the GeneTree customer service department to schedule the location and time to collect specimen samples for each person being tested for legal purposes.
5.) GeneTree DNA Grandparentage (Legal Notarized) enables you to request GeneTree to notarize the lab results for legal purposes
6.) GeneTree DNA Special Specimen Collection Kit enables you to perform a GeneTree DNA test using other types of biological specimens.
7.) GeneTree DNA Biological Stain Analysis enables you to characterize a stain for blood, semen, saliva, etc.

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