fertile
viable
visible | recessive
1st posterior cell
wing
Wings are longitudinally creased in the first posterior cell from the distal end of vein L3 almost to the anterior crossvein. The external sides of the distal ends of the wings are slightly bent downward.
RK1.
cs53 has phenotype, non-suppressible by su(Hw)2
According to crossing-over data this mutant is a homologue of cs1.
According to crossover data of M. Aronson and description, this is an allele of cs, which was lost before this mutant was discovered.
Krivshenko, 5th Nov. 1953.