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Wright’s Shifting Balance Theory and Factors Affecting the Probability of Peak Shifts

Charles J. Goodnight

in The Adaptive Landscape in Evolutionary Biology

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199595372
eISBN:
9780191774799
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199595372.003.0006
Subject:
Biology, Evolutionary Biology / Genetics

Sewall Wright's shifting balance theory remains controversial in part because it is what would today be called a complex systems model that was never developed beyond that of a metaphor. A key ... More


Wright’s Adaptive Landscape: Testing the Predictions of his Shifting Balance Theory

Michael J. Wade

in The Adaptive Landscape in Evolutionary Biology

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199595372
eISBN:
9780191774799
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199595372.003.0005
Subject:
Biology, Evolutionary Biology / Genetics

Our understanding of Wright's shifting balance theory (SBT) has deepened and its empirical predictions have been enriched by the theoretical, field and laboratory experimental research. Whereas ... More


Long-term Response: 2. Finite Population Size and Mutation

Bruce Walsh and Michael Lynch

in Evolution and Selection of Quantitative Traits

Published in print:
2018
Published Online:
September 2018
ISBN:
9780198830870
eISBN:
9780191868986
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198830870.003.0026
Subject:
Biology, Evolutionary Biology / Genetics, Biochemistry / Molecular Biology

In a finite population, drift is often more important than selection in removing any initial additive variance. This chapter examines the joint impact of selection, drift, and mutation on the ... More


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