HOW dna determines relation
A DNA maternity test determines whether a tested woman is the biological mother of a tested child. DNA Grandparentage Test. A DNA grandparentage test, performed in the absence of an alleged father, determines the relationship between a child and the parents of the alleged father.Genetic Reconstruction. A genetic reconstruction is performed to determine the biological relationship of a child to the alleged fatherâs close relatives. Y-STR paternal lineage test determines whether two or more males are related through a paternal line. mtDNA Maternal Lineage. A mitochondrial DNA maternal linage test determines whether two or more individuals are related through a maternal line.