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Figure 3


Fig. 3. Initial specification of hemato-vascular progenitors is not affected by the lmo2:{Delta}BR transgene. Shown are representative sibling embryos that are either control (A) or transgenic for the lmo2:{Delta}BR transgene (B). Embryos were fixed and processed by in situ hybridization to detect the expression of scl transcripts. In all cases, the initial pattern of scl is normal, as indicated here by the two stripes of lateral mesoderm (arrows) at the two-somite stage.