Foregene O le DNA Identification System 27Y e fa'aogaina ai tekinolosi fa'ailoga felanulanua'i ono-lanu e fa'alautele ai le 27 Y-STR loci i le taimi e tasi.E aofia ai: DYS456, YGATAH4, DYS439, DYS19, DYS392, DYS576, DYS627, DYS391, DYS437, DYS570, DYS635, DYS448, DYS537S3, DYS583, DYS3F393 0 , DYS389II, DYS438, DYS518, DYS460, DYS458, DYS481, DYS385, DYS449.
O le pusa o loʻo i ai le malosi e faʻasaʻo ai, ma e mafai ona faʻapipiʻi saʻo le pepa faamama, pepa FTA, cotton swab, saliva card, oral swab, ma e mafai foi ona faʻaaogaina e aveese ma faʻamamā ai mamanu DNA mai mea faʻapitoa.