How do the molecular events brought on by injecting a frog's egg with an odorant molecule become expanded into a nervous system architecture which controls muscles to behaviorally seek out that odorant as an adult frog?

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• Injection of an odorant molecule into a frog egg causes the adult to seek that odor in food.finding0.875
  Hepper & Waldman 1992 finding illustrating remapping from single cell to behavior.
• A simple voltage state imposed on somatic cells can induce them to build a complete vertebrate eye.finding0.741
  Pai et al. 2012 finding on bioelectric control of eye formation.
• How Do Molecular Events Expand Into Complex Anatomicalquestion0.733
• In frog embryo development, each transformation introduces new structure in the form of new asymmetrically placed local symmetries inducing new layers of differentiation without dispersing the underlying deep structure.finding0.733
  Embryological finding showing the specific mechanism — insertion of new local symmetries — by which wholeness is preserved and extended in biological development
• Ectopic eyes formed in frog embryo tails still function; eye primordia cells succeed in forming an eye, optic nerve, and correct neural connections despite abnormal spatial context.finding0.730
• How Do Molecular Events Triggered By Developmental Signalsquestion0.730
• We hypothesise this explains why stigmergy and other forms of extracellular signalling arise in biological systems, which is known to enhance the ability for a collective system to order itself.hypothesis0.730
  Hypothesis connecting fitness pressure from topological constraints to the evolutionary origin of stigmergy
• Voltage-induced ectopic eye formation in tadpolesfinding0.724