Can ordinary people do a paternity test? Learn about paternity testing What is paternity testing? Paternity testing is a method of comparing the DNA of parents and children to determine whether there is a paternity relationship. This technology has been widely used in the field of modern biology. It can not only be used to solve legal disputes and social security issues, but also be used to diagnose the cause of critically ill patients. As we all know, DNA is present in every part of the human body