Heterozygotes are WT and GFP+. tm1741 homozygotes are small and sterile. Pick GFP+ heterozygotes to maintain. qIs48 is an insertion of ccEx9747 with markers: myo-2::GFP expressed brightly in the pharynx throughout development, pes-10::GFP expressed in embryos, and a gut promoter driving GFP in the intestine, and is homozygous lethal. Reference: Wehman AM, et al. Curr Biol. 2011 Dec 6;21(23):1951-9.