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Evolutionary Developmental Biology: Homologous Regulatory Genes and Processes

  1. Stephen J Gaunt

Published Online: 19 APR 2001

DOI: 10.1038/npg.els.0001064

eLS

eLS

How to Cite

Gaunt, S. J. 2001. Evolutionary Developmental Biology: Homologous Regulatory Genes and Processes. eLS. .

Author Information

  1. Babraham Institute, Babraham, Cambridge, UK

Publication History

  1. Published Online: 19 APR 2001

Abstract

Traits in two species are classed as homologous when they are derived from a similar trait in a shared ancestor. Homology can exist at the levels of both anatomical structure and regulatory gene sequence, but homology in one of these does not necessarily imply homology in the other.

Keywords:

  • homology;
  • Urbilateria;
  • heart;
  • eye;
  • appendage