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DE-GAL4 drives expression dynamically within the eye-antennal disc. (A) Sixteen-hour AEL embryo (stage 17) from DE-GAL4 > GFP flies. The red dash lines mark expression of the GAL4 driver in the eye-antennal disc primordium. (B–E) Eye-antennal discs from DE-GAL4 > GFP larvae at (B) 24 h AEL (early-L1), (C) 36 h AEL (mid-L1), (D) 48 h AEL (early-L2), and (E) 72 h AEL (early-L3) stained with Ey (Purple) and GFP (green). Anterior is to the right. (Scale bars, 50 µm.)
