Structural alteration in the promoter.
Deletion of 3.6kb (from -1425bp to +2162bp relative to the y transcription start site) removing the promoter, 5' regulatory and transcribed sequences.
Body colour: pigmentation score (where 1 = null/nearly null, 5 = wild type/nearly wild type): y3c3/yP1\loxP.eve-700gin : 4-4+ (wing), 4-4+ (body), y3c3/yP1\loxP.hsp70-700gin : 5 (wing), 5+ (body), y3c3/yP1\loxP.w-700gin : 4 (wing), 3+-4 (body).