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Figure 6


Fig. 6. Veg1 contributions in recombinant embryos bearing foxa MASO. (A,D) Diagram of recombinants consisting of an animal half plus veg1 (top part), recombined with veg2 plus micromeres (lower part). Control L. variegatus embryos were dyed green with fluorescein dextran, and experimental embryos were injected with foxa MASO and co-injected with RITC (red) before recombination. (B,C,E,F) In the recombinants, the control (green) endoderm from veg 1 (B,C) or from veg 2 (E,F) makes much of the gut; this is dependent upon whether veg2 (B,C) or veg1 (E,F) contains foxa MASO. Recombinations were made at the 60-cell stage. (B,C) Pluteus stage chimeras as in A. (E,F) Pluteus stage chimeras as in D. See text for interpretation.





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