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Temperature sensitive maternal effect lethal if shifted from 15C to 25C at the L4 and later stages; sterile if it gets past embryogenesis before being shifted. Maintain at 15C. MJ61 contains a lin-12 allele (ar170) which results in 2 anchor cells. GS1369 was derived by outcrossing MJ61 to remove ar170. Do not distribute this strain; other labs should request it from the CGC. Added 10/2005: Zhuoyu Ni in Sylvia Lee's lab did not find the published missense mutation in this strain. It does have the ts sterile/lethal phenotype still.

ts embryonic lethal. Grows at 15C, 20C. Lethal at 25C. [Also contains a temperature sensitive lin-12 hypomorphic allele called ar170. Has 2 anchor cells. Jane Hubbard, 3/96 See WBPaper00002483. See GS1369 for emb-5 reference strain.]