Transposition of the first two exons from the full length Dfd transcription unit to 98F. Transposon flanked insertion and duplicated Dfd exons remain unchanged.
No change in the spatial distribution of ae mRNA.
Phenotypic reversion of the dominant phenotype.
Loss of mouth hooks and cirri, ventral plates are partially duplicated in the anterior atrium replacing the H piece and lateral graten.
Larval atrium is transformed to pharynx.
Hazelrigg.
Revertant.