Who needs to be tested?
To make the most accurate assessment, it is desirable to have samples from all parties potentially involved in the biological relationship. In the case of paternity testing, this would require a sample from the mother, alleged father and child. However the test can be performed with just the samples from the alleged father and child. For more complicated cases, assistance can be sought from the laboratory as to whom should be tested.
alleged father and the mother of the child. However testing is possible without the mother’s sample and in certain circumstances, when the alleged father is unavailable or deceased, it is also possible to conduct a test using stored DNA samples from the alleged father or DNA from his biological relatives.