hypomorphic allele - genetic evidence
The insertion is 11bp after the transcription start.
eye
wing
Homozygotes develop broad and downwardly bent wings. The also have slightly smaller, but otherwise normal looking eyes.
Allelic series of mutations: Df(2R)aEX1 = Df(2R)aEX2 > aEM50 >= ak11011b > aEM1 >= aEM27 > a1 > aEM15.
Allelic series of mutations: Df(2R)aEX1 = Df(2R)aEX2 > aEM50 >= ak11011b > aEM1 >= aEM27 > a1 > aEM15.