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Yes, a DNA grandparentage test can determine whether a child is biologically related to a set of grandparents. This test is based on the fact that a child inherits half of his or her genetic profile from each biological parent. When one of a child's parents is missing or deceased, we can look to the grandparents to determine if they contributed DNA to the child's genetic profile (presumably through the missing or deceased alleged parent).

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13y ago

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