If the alleged father’s participation in a paternity study is unavailable for whatever reason,
this is the test to use.

This test yields a 97% conclusion rate, and is more conclusive on average than a standard
sibling study.

Accordingly, a sample must be submitted from both paternal grandparents.  If only the
paternal grandfather is available for the test for a male child, please consider the Y-PLEX
exam instead.

The results from this test are usually reported within 7 business days.
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DNA Paternity & Fidelity Testing    
Center, LLC
Grandparent Study