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Figure 3


Fig. 3. Expression of drl in the salivary gland is dependent on Scr and fkh. (A-C) In situ hybridizations for drl were performed on stage 11 wild-type (A) Screk6 (B) and fkhXT6 (C) mutant Drosophila embryos. drl expression in the salivary placode is absent in both Scr and fkh mutants, indicating that drl is a transcriptional target of FKH. Arrow in A denotes the location of drl in wild-type salivary placodes.