A 1.1kb (-1206 to -152) HindIII-KpnI genomic fragment from the region upstream of E(spl)mγ-HLH is fused downstream of Ecol\lacZHsp70Bb.HZ50.
A 1.1kb (-1206 to -152) HindIII-KpnI genomic fragment from the region upstream of E(spl)mγ-HLH is fused upstream of the Rnor\Cd2 coding region.