Paternity DNA testing is a reliable way to determine the true paternal identity of a child, and generally provides 99.9% accurate results. Paternal DNA testing is legally binding and can be used to solve legal issues surrounding the true birth parents of a child, such as alimony, visitation, etc.

The DNA profile of a person possesses two genetic types, also known as alleles, inherited from each parent. By comparing the DNA profiles of the mother and the child, the genetic type inherited form its mother is identified, which leaves the other half being inherited from the child