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. 2018 Sep 17;145(18):dev168112. doi: 10.1242/dev.168112

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© 2018. Published by The Company of Biologists Ltd

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.

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Fig. 4. — Behaviour of fz^– and ft^– clones in flies overexpressing isoforms of the pk gene. fz^– clones behave normally, polarising receiving cells inwards in both A and P either in tub.Gal4 UAS.pk or tub.Gal4 UAS.sple flies, independently of the polarity of their surroundings (A,B). The effects of ft^– clones, but only in territories with reversed polarity, are the opposite of normal: in the wild type these effects are inwards in A, outwards in P whereas in tub.Gal4 UAS.pk the cells close to the anterior clones point outwards (C) and in tub.Gal4 UAS.sple the cells nearby the posterior clones point inwards (D). See Fig. S5 for analysis of maximum range of effects of fz^– clones.