Heat shock causes no defect in otherwise wild-type embryos.
bskhs.PS is a suppressor of embryonic/first instar larval cuticle | dorsal phenotype of cno3
bskhs.PS partially rescues Df(2L)flp170B
Markedly rescues the dorsal closure phenotype of bsk1 and Df(2L)flp170B, though not their lethality.