Foregene DNA Identification System 27Y imagwiritsa ntchito luso lamakono la mitundu isanu ndi umodzi la fulorosenti kukulitsa 27 Y-STR loci nthawi imodzi.Kuphatikizirapo: DYS456, YGATAH4, DYS439, DYS19, DYS392, DYS576, DYS627, DYS391, DYS437, DYS570, DYS635, DYS448, DYS5333, DYS39, DY39, DY39F38, DYS39, DY399 0 , DYS389II, DYS438, DYS518, DYS460, DYS458, DYS481, DYS385, DYS449.
Chidacho chimakhala ndi luso loletsa kuletsa, ndipo chimatha kukulitsa mwachindunji pepala losefera, khadi la FTA, swab ya thonje, khadi yamalovu, swab yapakamwa, ndipo itha kugwiritsidwanso ntchito kuchotsa ndi kuyeretsa ma tempulo a DNA kuzinthu zamakesi.