qEx319 [lag-2::cMyc + rol-6(su1006)].  Rollers.  Extrachromosomal array carrying myc-tagged LAG-2 protein partially rescues lag-2(null).  About 70% of progeny are Lag.  Survivors are Rollers.  Reference: Crittenden et al., Mol Biol Cell. 2006 Jul;17(7):3051-61.