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Fig. 8. Survival and cell-autonomous defects of late-induced borr mutant
clones. (A) Adult wing blade, with borr mutant clone (marked by
f, outlined in yellow) and associated twin spot (marked by
ck, outlined in grey). (B-D) Single confocal section through the
epithelial sheet of a pupal wing blade with borr mutant clones
(marked by absence of GFP), grazing the bases of the cell nuclei within the
epithelial plane, stained as indicated in the panels; arrows indicate
individual giant borr mutant cells. (E) Margin area from a wing
bearing borr mutant clones with a giant bristle. (F-H) Single
confocal section through a pupal wing, stained as in B-D and also with Hoechst
dye. An individual large borr mutant cell (lacking GFP) gives rise to
a giant bristle. ß-Tubulin staining is absent at the base of the bristle,
indicating the lack of a socket.
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