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| Description: Experimental evidence that signals from dorsal lip cells initiate amphibian gastrulation. A dorsal lip region of a salamander embryo was transplanted to a different site in another embryo. A second set of body parts started to form. C The embryo deve‘ops We a “doub\e" \arva, with two heads, two tai‘s, and two bodies Joined at me beHy, } J7 A Dorsal hp excrsed from donor embryo, B Graft rnduces a second grafted to nove‘ site m another embryo. site of Inward mrgrafion. Picture Stats: Views: 130 Filesize: 87.29kB Height: 274 Width: 1500 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47374 |