On the adaptive disadvantage of Lamarckianism in rapidly changing environments

Authors:
Ingo Paenke;Bernhard Sendhoff;Jon Rowe;Chrisantha Fernando
Affiliations:
Institute AIFB, University of Karlsruhe, Karlsruhe, Germany and Honda Research Institute Europe GmbH, Offenbach/Main, Germany;Honda Research Institute Europe GmbH, Offenbach/Main, Germany;Systems Biology Centre, University of Birmingham, Birmingham, UK;Systems Biology Centre, University of Birmingham, Birmingham, UK
Venue:
ECAL'07 Proceedings of the 9th European conference on Advances in artificial life
Year:
2007

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Abstract

Using a simple simulation model of evolution and learning, this paper provides an evolutionary argument why Lamarckian inheritance - the direct transfer of lifetime learning from parent to offspring - may be so rare in nature. Lamarckian inheritance allows quicker genetic adaptation to new environmental conditions than nonlamarckian inheritance. While this may be an advantage in the short term, it may be detrimental in the long term, since the population may be less well prepared for future environmental changes than in the absence of Lamarckianism.