P{lacW} insertion in the 5' untranslated region.
lethal | recessive
Hemizygotes are generally lethal, with a few male sterile escapers.
blwk00212/blw[+] is a suppressor of visible | heat sensitive phenotype of peb1
blwk00212/blw[+] is a suppressor of eye | heat sensitive phenotype of peb1
blwk04409
I. Kiss.