Insertion of P{SUPor-P} into intron 1 of grp, in reverse orientation.
The grpScim, Scim124 double mutant chromosome dominantly decreases transmission of Dp(1;f)J21A to offspring to 17%.
Scim124, grpScim has abnormal meiotic cell cycle | dominant phenotype
Scim124, grp[+]/grpScim has abnormal meiotic cell cycle | dominant phenotype
Scim12[+]/Scim124, grpScim has abnormal meiotic cell cycle | dominant phenotype
Separable from: Scim124.