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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


A Conceptual Roadmap to 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/9780691156460.003.0003
Subject:
Biology, Evolutionary Biology / Genetics

This chapter proposes a conceptual roadmap to homology, with the goal of supporting the research program of developmental evolution that seeks to explain the patterns of phenotypic diversity. It ... More


Digits and Digit Identity

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/9780691156460.003.0012
Subject:
Biology, Evolutionary Biology / Genetics

This chapter investigates the evolutionary and developmental biology of digits, focusing on what these appendages can teach us about character identity and character origination. The idea that digits ... More


Lessons and Challenges

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/9780691156460.003.0014
Subject:
Biology, Evolutionary Biology / Genetics

This book has argued for the reality of a class of biological entities that have a hard time finding their place in a theory of evolution based on genetics and population biology. These entities, or ... More


How to Create a Fictional Character

Peter Lamarque

in Work and Object: Explorations in the Metaphysics of Art

Published in print:
2010
Published Online:
September 2010
ISBN:
9780199577460
eISBN:
9780191722998
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199577460.003.0009
Subject:
Philosophy, Aesthetics, Metaphysics/Epistemology

This chapter discusses the ontological status of fictional characters and the logical constraints on creating characters. Drawing on Jerrold Levinson's arguments for the creation of musical works, it ... 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


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


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


Fins and Limbs

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/9780691156460.003.0011
Subject:
Biology, Evolutionary Biology / Genetics

This chapter focuses on the evolutionary processes underlying fins and limbs. Some of the most momentous periods in the history of the human lineage involved evolutionary changes to the paired ... More


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