Mbido Sistemụ njirimara DNA 27Y na-eji teknụzụ akara fluorescent nwere agba isii iji gbasaa 27 Y-STR loci n'otu oge.Gụnyere: DYS456, YGATAH4, DYS439, DYS19, DYS392, DYS576, DYS627, DYS391, DYS437, DYS570, DYS635, DYS448, DYS533, DYS448, DYS533, DYFY387 0 , DYS389II, DYS438, DYS518, DYS460, DYS458, DYS481, DYS385, DYS449.
Ngwa ahụ nwere ikike mgbochi mgbochi dị mma, ma nwee ike ịbawanye akwụkwọ nzacha ozugbo, kaadị FTA, swab owu, kaadị saliva, swab ọnụ, yana enwere ike iji wepụ ma sachaa ndebiri DNA site na ihe ikpe.