In nabSH143 embryos, thoracic neuroblast 3-3 (NB3-3T) shows delayed quiescence and prolonged proliferation. (This is also true of many other thoracic neuroblasts in mutant first instar larvae.) Consequently, NB3-3T generates additional EL neurons.
nabSH143/nabNP3537 is rescued by nabUAS.cFa/Scer\GAL4NP3537
Lethality due to nabSH143/nabNP3537 is rescued by nabScer\UAS.cFa.