Paternity test process and precautions Paternity test refers to determining the genetic relationship between parents and children through genetic analysis. It can be used to resolve some disputes, such as child custody and inheritance rights after a couple divorces. This article will introduce the process and precautions of paternity testing from four aspects. 1. The process of paternity testing. Paternity testing mainly involves extracting DNA samples from both relatives and conducting genetic analysis. Generally speaking, the process of paternity testing can be divided into the following four steps: (1) Consultation: Before conducting paternity testing, it is necessary to first