Separable from: P{lacW}mfrnSH115.
While cleaning the "l(3)SH115" line, the lethality was lost after only three generations. Thus is is likely that the lethality of the l(3)SH115 line (represented by l(3)SH115SH115) is separable from the P{lacW}mfrnSH115 insertion in the mfrn gene.