I-Foregene I-DNA Identification System 27Y isebenzisa ubuchwepheshe bokulebula ngemibala emithandathu ye-fluorescent ukukhulisa i-27 Y-STR loci ngexesha elinye.Kubandakanywa: DYS456, YGATAH4, DYS439, DYS19, DYS392, DYS576, DYS627, DYS391, DYS437, DYS570, DYS635, DYS448, DYS533, DYS3, DY39, DY3F38, DY398 0 , DYS389II, DYS438, DYS518, DYS460, DYS458, DYS481, DYS385, DYS449.
Ikiti inamandla okuthintela ukunqanda, kwaye inokukhulisa ngokuthe ngqo iphepha lokucoca, ikhadi le-FTA, i-cotton swab, i-saliva card, i-oral swab, kwaye ingasetyenziselwa ukukhupha kunye nokucoca i-templates ye-DNA kwizinto zecala.