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Fig. 4. Influence of fat and dachs
on cell affinity. Third instar wing imaginal discs, stained for
expression of Wg (red). GFP (green) marks wild-type cells. (A)
fat8 mutant clones (black) are abnormally large and round.
Some elevation of Wg expression in the proximal wing is also visible (arrow),
although it is mostly out of the plane focus. (B)
d1 mutant clones have normal, elongated shapes. (C)
fat8 d1 double mutant clones lack ectopic Wg
expression (arrowhead), and are similar to d1 mutant
clones in size and shape, and obviously distinct from fat8
mutant clones. See also Table S1 in the supplementary material.