Deletion of promoters P4 and P5.
Breakpoint allele.
The dpps2 homozygous larval midgut exhibits severely decreased gastric caeca and a reduction of the acid zone, as compared to controls.
Defects in second midgut section and gastric caecae. Four day old mutant larvae remain in the first and second instars.
Complements all disk region mutants. Belongs to the shv-lc class of alleles.
Allele class: shv-lc
The mutant that had been "T(2;3)shvS1" is renamed T(2;3)dpps2.