Can the Y-DNA test be used as a paternity test?
No. Legal paternity tests require what is known as the chain of custody documentation procedure. This procedure verifies that the DNA samples were collected from the proper individuals and were not tampered with. In doing so, it assures you, as well as any courts or government agencies, that the test results can be trusted. By following the chain of custody procedure, DNA test results can be entered into court as evidence and will be legally defensible. Family Tree DNA does not follow this chain of custody procedure.