Fig. 6. The progeny of ectopic neuroblast divisions differentiate as neurons. Wild-type (A-C) and rpr null (XR38/H99) (D-F) larvae were fed continuously on BrdU-containing food, and dissected nervous systems were double labeled with anti-BrdU (A,D) and anti-Elav (B,E). The Elav protein is expressed in the nuclei of all neurons. C and F are the merged images of A,B and D,E. Most BrdU-labeled cells in both wild-type and rpr null nervous systems label with Elav.

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