Construct: Contains a 5.6kb XhoI genomic fragment overlapping the wild-type HLHm7 gene.
A single copy has no effect but two copies of HLHm7+t5.6 enhances the eye phenotype seen in Nspl-1 flies.
E(spl)m7-HLH+t5.6 is an enhancer of eye phenotype of Nspl-1