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In situ hybridizations in WT and in Pc XL5 mutant embryos for the gt and peb genes. The developmental stage of the embryos is indicated on the left. Arrowheads indicate regions of increased or ectopic labeling in Pc mutants compared to WT.
(A) gt expression at embryonic stages 9, 10, 11, and 14.
(B) peb expression at embryonic stages 9, 10, 11, and 14.
