Computational embryology: past, present and future

  • Authors:
  • Sanjeev Kumar;Peter J. Bentley

  • Affiliations:
  • Department of Computer Science, University College London, Gower St., London WC1E 6BT, UK;Department of Computer Science, University College London, Gower St., London WC1E 6BT, UK

  • Venue:
  • Advances in evolutionary computing
  • Year:
  • 2003

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Abstract

This chapter describes research into the new field of computational embryology. It starts with a look at the past, examining the contributions scientists have made over the years that have caused the gradual amalgamation of embryology and genetics into developmental biology. This is followed by a detailed investigation into the evolution of computational embryogenies. The focus of this chapter is on the two most promising types of computational embryogeny, explicit and implicit, investigating the evolvability and scalability of both for morphogenesis. The problem set is that of evolving certain predefined shapes - letters of the alphabet. The results show that both embryogenies are good at defining different morphologies, but significantly, the implicit embryogeny incurs no increase in genotype size as the problem is scaled. Finally, the chapter ends with a description of a more biologically plausible model of aspects of biological development.