Biology / Bio 3371 · Atom · ~20 seconds
Induction and Morphogen Gradients
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Induction occurs when one cell group signals a neighboring group to change fate; a morphogen is a diffusing molecule whose gradient tells each cell which fate to adopt.
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An organizer region induces neighboring embryonic tissue to form neural rather than skin structures.
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Fate here depends on position within the gradient, not on any instruction intrinsic to the cell.