Foregene Sisitemu yo Kumenyekanisha ADN 27Y ikoresha tekinoroji yamabara atandatu ya fluorescent kugirango yongere 27 Y-STR icyarimwe.Harimo: DYS456, YGATAH4, DYS439, DYS19, DYS392, DYS576, DYS627, DYS391, DYS437, DYS570, DYS635, DYS448, DYS533, DYF387S1, DYS393, DYS389, DYS3904 481, DYS385, DYS449.
Igikoresho gifite ubushobozi bwiza bwo kurwanya-kubuza, kandi gishobora kwongerera mu buryo butaziguye impapuro ziyungurura, ikarita ya FTA, ipamba, ipamba, ikarita y'amacandwe, umunwa wo mu kanwa, kandi irashobora no gukoreshwa mu gukuramo no kweza inyandikorugero za ADN mu bikoresho.