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Fig. S1. Overexpression of fz does not have any effect in larvae. (A,B) Even in the absence of Ft, driving fz in the ptc domain (row 2) does not impose polarity on neighbouring rows.
Fig. S2. Denticle size and ds overexpression. Images of the ventral denticles of the A4 segment of five larvae each of wild-type and ptc.Gal4 UAS.ds genotypes were taken as described in Materials and methods. The size of the denticles was obtained by thresholding the images and applying the Analyze Particles function of ImageJ. Vertical bars represent s.d. The overall pattern of denticle sizes is maintained even though ds is overexpressed in the ptc domain and the orientation of rows 1-3 is affected.