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Fig. 4. Final size is not affected by differential growth rates. (A)
P/A ratio in adult wings that are wild type or heterozygous for M(3)67C,
(M/+), ci-M+ and en-M+. (B,C) Wings of
ci-M+ (B) and en-M+ (C) genotypes showing that the A and
P compartments match perfectly well in spite of having had different growth
rates. In each case, the M+ tissue is labelled with mwh
and jv. (B',C') Are amplifications of the
central regions of the wings. A sharp border exists between mwh
tissue in the ci-M+ wing (red line) compared with the `wiggly'
mwh border in the en-M+ wing. This is due to the late tier
of en expression induced by Hh
(Blair, 1992).