A set of third chromosome mutant stocks derived by insertional mutagenesis using the P-element construct P{lacW}; most lines have a lethal or semi-lethal phenotype. The P{lacW} construct carries a w+mC mini-white visible marker, Ecol\lacZ enhancer trap sequences, and bacterial sequences that allow plasmid rescue (FBrf0049800).
Molecular location mapped by iPCR is not consistent with in situ hybridization site reported by Deak et al. 1997; second insertion or error in cytological analysis.
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S022440
Evidence suggests that the "S022440" line contains both an insertion within the CG34382 gene at 67D (P{lacW}CG34382S022440) corresponding to the site of the flanking sequence GS597744 and also a separate second-site lethal mutation in 85F (twsS022440) based on the failure to complement Df(3R)by62. There is no evidence for the presence of an insertion at the site of the second-site lethal mutation in 85F.