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Fig. 2. faf+ functions in R2/3/4/5. (A,B) Confocal images of
GFP expression from a RO-GFP transgene in an eye disc. In A, anterior
is towards the right and the arrow indicates the position of the furrow. (B)
An enlargement of part of A is shown, the numbers indicating R-cells R2/3/4/5.
(C,D) Tabulation of the different phenotypically mutant
faf+/fafFO8 mosaic facets with one (C) or two
(D) ectopic R-cells are shown. (E) Tabulation of the different phenotypically
wild-type faf+/fafBX4 mosaic ommatidia are
shown. Numbers beneath each diagram refer to the number of facets with that
particular mosaic pattern observed. The faf+ R-cells are
white+ (have pigment granules) and the
faf- R-cells are white- (do not have
pigment granules). (F) Aspects of the data in C-E are displayed graphically.
Scale bar: 20 µm in A; 10 µm in B.