How would Spemann and Mangold's conclusion be different if a second axis formed only when ventral tissue was transplanted dorsally in the host rather than vice versa?
Added by Angela C.
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Step 1: If a second axis formed only when ventral tissue was transplanted dorsally in the host rather than vice versa, it would suggest that the ventral tissue contains some specific signaling molecules or factors that are necessary for the induction of a secondary Show more…
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