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Analysis of nkx2 gene expression in nkx2.1, nkx2.4a, and nkx2.4b morphants. Expression of nkx2.1, nkx2.4a, and nkx2.4b was analyzed in SCMO (A,C,E) and nkx2TKD morphants (B,D,F) at 2 dpf. (A1–F2) dorsal views, (A2–F2) lateral views; anterior is to the left. Abbreviations see Table 1. Black arrows point at positions of anatomical structures labeled by abbreviation at start of arrow. Scale bar = 100 μm in A1 for all panels.
