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Fig. 6 Altered retinal gene expression in morphant embryos. Coronal plastic sections (~ 1 μm) of retina at 72 hpf after whole mount in situ hybridization labeling for progenitor markers from control mMO1a + mMO1b injected (A, C, E), or MO1a + MO1b injected (B, D, F) embryos. Position of the lens (shown in A) is similar for all panels. Arrows in C and D demarcate the ciliary marginal zone (CMZ). Cryosections (~15 μm) of control (G, I, K, M, O, Q) and MO1a + MO1b (H, J, L, N, P, R) embryos immunolabelled with antibodies for indicated differentiation markers (red or green) and counter-stained with DAPI (blue). MO, morpholino.