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Figure Caption
Fig. 3 Cxcr4b attracts SPCs caudally. (A) hmx3 expression at 24s in control and ody–/– embryos. Black arrowheads indicate SPCs. (B) SPC frequency analysed by hmx3 expression in ody–/– and stage-matched controls at 24s. *P=0.013. Error bars indicate s.e.m. (C-J) Tracking of the SPCs and primordium tip cells in two ody–/– embryos (supplementary material Movie 5). In C and D, dots show initial positions of tracked cells. E and F show intermediate time points and G-J show final time points. Scale bars: 25 μm.
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