SRL for [introgressed]: For example , to map the mos ( modifiers of snc1 ) mutants , we [introgressed] the original snc1 mutation ( from Col ) into the Ler ecotype ( named Ler - snc1 ) through repetitive back - crossing with Ler , and selection of snc1 homozygous plants in the F2 ( 5 ) .
ARG-0: we | ARG-1: the original snc1 mutation ( from Col ) | ARG-2: into the Ler ecotype ( named Ler - snc1 ) | ARG-M-MNR: through repetitive back - crossing with Ler , and selection of snc1 homozygous plants in the F2