P{lacW} insertion in exon 1.
Mutants exhibit visible disc abnormalities: discs are small. Clones induced in wild type discs are abnormal: clones are at a lower frequency than expected and are small. Clones in the wing cause wing vein thickening.
MESK2k05623/MESK2[+] is an enhancer of dorsal appendage phenotype of Ras85Dix12a
Weak dominant enhancer of the Ras85Dix12a eggshell phenotype; 41-50% of dorsal appendages are wild type.
I. Kiss.