Polytene chromosomes normal.
Deletion 500bp DNA: mutation in the distal lethal region.
Mutation in the distal lethal region.
lethal | recessive
lethal - all die during embryonic stage
some die during embryonic stage
embryonic/first instar larval cuticle
Embryos have completely unpigmented and weak cuticles.
non-complementing (Class II)
Class II allele.
Class II allele.