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A Genetic Theory of Homology

Günter P. Wagner

in Homology, Genes, and Evolutionary Innovation

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691156460
eISBN:
9781400851461
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691156460.003.0004
Subject:
Biology, Evolutionary Biology / Genetics

This chapter presents a genetic theory of homology that addresses the most challenging problem when attempting to explain character identity; namely, unquestionable homologies (that is, character ... More


The Genetics of Evolutionary Novelties

Günter P. Wagner

in Homology, Genes, and Evolutionary Innovation

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691156460
eISBN:
9781400851461
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691156460.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

This chapter examines the molecular genetics of evolutionary novelties. In particular, it investigates which molecular mechanisms might be involved in the origination of novel gene regulatory ... More


Developmental Mechanisms for Evolutionary Novelties

Günter P. Wagner

in Homology, Genes, and Evolutionary Innovation

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691156460
eISBN:
9781400851461
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691156460.003.0006
Subject:
Biology, Evolutionary Biology / Genetics

This chapter examines the developmental mechanisms underlying evolutionary novelties. It first considers the role of the environment in evolutionary innovations, with particular emphasis on how ... More


Homology, Genes, and Evolutionary Innovation

Günter P. Wagner

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691156460
eISBN:
9781400851461
Item type:
book
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691156460.001.0001
Subject:
Biology, Evolutionary Biology / Genetics

Homology—a similar trait shared by different species and derived from common ancestry, such as a seal's fin and a bird's wing—is one of the most fundamental yet challenging concepts in evolutionary ... More


Introduction: What This Book Aims to Do and What It Is Not

Günter P. Wagner

in Homology, Genes, and Evolutionary Innovation

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691156460
eISBN:
9781400851461
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691156460.003.0001
Subject:
Biology, Evolutionary Biology / Genetics

This book examines homology, the correspondence of characters from different species or even within the same organism, from a mechanistic perspective. Homology is explained by derivation from a ... More


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