P{PZ} insertion in the 5' untranslated region, 28bp upstream of the start codon.
abnormal planar polarity | recessive
partially lethal - majority die | recessive
visible | recessive
eye
eye | anterior
eye photoreceptor cell
ommatidium
wing
Homozygotes have a roughened eye with a pronounced indentation at the anterior margin. In undP/undΔ19 flies, the ommatidia occasionally have reversed polarity along the D/V axis. Some photoreceptor cells are missing.
undΔ34/undP is rescued by und+t4.3
Excision of the P{PZ} element can result in wild-type revertants, indicating that the P{PZ} insertion is responsible for the mutant phenotype.
Excision of the P{PZ} element can result in wild-type revertants, indicating that the P{PZ} insertion is responsible for the mutant phenotype.