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The Grandparent relationship DNA test calculates the probability of parentage between a child and the two paternal grandparents.
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To perform this test, the grandfather and grandmother must be the biological parents of the presumed father .
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It is always recommended to test the known mother to get the most accurate results possible, since the genetic heritage of children is only half that of parents.
- Me ( Woman )
- Alleged grandfather
- Alleged grandmother
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