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The Adaptive Landscape in Evolutionary Biology$
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Erik Svensson and Ryan Calsbeek

Print publication date: 2013

Print ISBN-13: 9780199595372

Published to Oxford Scholarship Online: December 2013

DOI: 10.1093/acprof:oso/9780199595372.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 17 January 2022

High-Dimensional Adaptive Landscapes Facilitate Evolutionary Innovation

High-Dimensional Adaptive Landscapes Facilitate Evolutionary Innovation

(p.271) Chapter 17 High-Dimensional Adaptive Landscapes Facilitate Evolutionary Innovation
The Adaptive Landscape in Evolutionary Biology

Andreas Wagner

Oxford University Press

High-dimensional adaptive landscapes facilitate the origin of evolutionary adaptations and innovations, qualitatively new and beneficial phenotypes. This chapter discusses evidence for this assertion from three classes of systems important for evolutionary innovation, metabolic networks, gene regulation circuits, as well as protein and RNA macromolecules. In all three classes of systems, vast genotype networks — connected sets of genotypes with the same phenotype — exist and extend far through genotype space. These networks are essential for the ability of biological systems to explore many novel phenotypes, and they are a consequence of the high dimensionality of genotype spaces.

Keywords:   networks, molecular evolution, adaptation, phenotype, genotype

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