Fig. 2. Regulation of sens by daughterless (da) in salivary glands. (A,B) da¹⁰ embryos had small salivary glands compared with wild type. (C,D) sens mRNA is expressed in the salivary placodes of da¹⁰ embryos at stage 11. The PNS expression of sens is missing in da¹⁰ embryos (arrowhead). (E,F) sens expression is markedly reduced at later stages in the salivary glands of da¹⁰ embryos compared with wild-type embryos.