I-Foregene I-DNA Identification System 27Y isebenzisa ubuchwepheshe bokulebula obunemibala eyisithupha ukuze ikhulise ama-loci angu-27 Y-STR ngesikhathi esisodwa.Kufaka phakathi: DYS456, YGATAH4, DYS439, DYS19, DYS392, DYS576, DYS627, DYS391, DYS437, DYS570, DYS635, DYS448, DYS533, DYS39, DY39, DY39, DY398 0 , DYS389II, DYS438, DYS518, DYS460, DYS458, DYS481, DYS385, DYS449.
Ikhithi inekhono elihle lokuvimbela inhibition, futhi ingakhulisa ngokuqondile iphepha lokuhlunga, ikhadi le-FTA, i-cotton swab, ikhadi lamathe, i-oral swab, futhi ingasetshenziswa ukukhipha nokuhlanza izifanekiso ze-DNA ezintweni zamacala.