What can be used for a paternity test? Paternity testing refers to a scientific technology that determines paternity by comparing the DNA fingerprints of the mother, father and child. In some special cases, paternity testing can provide people with confirmation of kinship and help resolve family disputes and legal cases. So, what are the methods and tools that can be used for paternity testing? Below we will elaborate on four aspects. 1. Saliva test A saliva test is a simple