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Grandparent Testing
Our children grow to
have children and the bonds between a grandparent and a grandchild
are no less important than with their parents. Whether you need a
test because your son is being challenged by his ex-girlfriend or
the alleged father can no longer be tested, DNA testing can most
likely provide you with answers.
Establishing
Paternity through Grandparents
It is strongly
recommended that the alleged father be tested directly to establish
paternity. When it is not possible to test the father, a minimum of
one of his parents is likely to help. Testing can be performed with
as little as two individuals (grandparent & child) but adding other
family members can help clarify the relationship. Ideally, both
parents of the alleged father, the mother and the child should be
tested for best results.
All about
Likelihood
Each grandparent
should share 1/4 of their DNA in common with the grandchild. If only
one grandparent and child are tested, the statistical power of the
test may be limited. But if they share enough uncommon
markers, there may be a high likelihood that they are biologically
related.
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