Evolution of regulatory networks: nematode vulva induction as an example of developmental systems drift.

Abstract excerpt

Changes in the developmental processes and developmental mechanisms can result in the modification of morphological structures and in the evolution of phenotypic novelty. But how do developmental processes evolve? One striking finding in modern biology is the confrontation of morphological diversity in multicellular organisms with the conserved blueprint of life-the small number of conserved signaling pathways...

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