This DNA test uses samples from an alleged aunt or uncle to determine the biological relationship between them and a nephew or niece. By comparing the genetic markers present in the samples, the test can provide conclusive evidence of whether the alleged aunt or uncle is indeed related to the individual in question. This type of test can be crucial in establishing legal paternity or maternity, as well as for personal reasons such as uncovering one's true biological family. The results of the test can bring clarity and closure to individuals seeking to understand their genetic heritage and familial connections.