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Heterozygotes are wild-type and should segregate wild-type (ccDf2620/unc-54(e1152) heterozygotes), Unc (unc-54(e1152) homozygotes), and ccDf2620 homozygotes (larval arrest around L1 stage). Maintain by picking heterozygotes and checking for proper segregation of progeny. ccDf2620 removes the rDNA repeats at the end of chromosome I. Reference: Cenik ES, et al. Dev Cell. 2019 Mar 25;48(6):811-826.e6. doi: 10.1016/j.devcel.2019.01.019. PMID: 30799226.

Heterozygotes are Slow Uncs and segregate Slow Uncs, mid-larval lethals and severe Uncs. e1152 is a dominant Unc. let-49 also called med-47. SeeWBPaper00004990.