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. Author manuscript; available in PMC: 2007 Dec 15.
Published in final edited form as: Dev Biol. 2007 Apr 12;306(2):685–702. doi: 10.1016/j.ydbio.2007.04.006

Fig. 1.

Fig. 1.

Misexpression of dan or danr during antennal development leads to ectopic eye formation. (A, B) Frontal view of wild-type (A) and Dll>EPg-dan head (B) showing antennae; each antenna in (B) contains ectopic eye tissue (arrows). (C) Wild-type eye–antenna disc. Ey (green) is expressed only in the eye portion of the disc (eye) anterior to the MF (arrowhead); Elav (red) marks developing photoreceptors posterior to the MF. (D) In Dll>EPg-dan discs, in addition to normal patterns in the eye region, Ey (green) is expressed in a large patch in the antennal portion of the disc (an), and Elav (red) is expressed in ectopic photoreceptor precursors (arrow). Anterior is to the left and dorsal up in panels C and D here, as well as in all panels of all subsequent figures.