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Homology, genes, and evolutionary innovation /

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자료유형E-Book
개인저자Wagner, Gu?nter P., author.
서명/저자사항Homology, genes, and evolutionary innovation /Gu?nter P. Wagner.
형태사항1 online resource (xiii, 478 pages) : illustrations
ISBN9781400851461
1400851467


서지주기Includes bibliographical references (pages 427-465) and index.
내용주기Introduction. What this book aims to do and what it is not -- The intellectual challenge of morphological evolution : a case for variational structuralism -- A conceptual roadmap to homology -- A genetic theory of homology -- Evolutionary novelties : the origin of homologs -- Developmental mechanisms for evolutionary novelties -- The genetics of evolutionary novelties -- The long shadow of metaphysics on research programs -- Cell types and their origins -- Skin and a few of its derivatives -- Fins and limbs -- Digits and digit identity -- Flowers -- Lessons and challenges.
요약Homology -- 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 biology. This groundbreaking book provides the first mechanistically based theory of what homology is and how it arises in evolution. Gu?nter Wagner, one of the preeminent researchers in the field, argues that homology, or character identity, can be explained through the historical continuity of character identity networks -- that is, the gene regulatory networks that enable differential gene expression. He shows how character identity is independent of the form and function of the character itself because the same network can activate different effector genes and thus control the development of different shapes, sizes, and qualities of the character. Demonstrating how this theoretical model can provide a foundation for understanding the evolutionary origin of novel characters, Wagner applies it to the origin and evolution of specific systems, such as cell types; skin, hair, and feathers; limbs and digits; and flowers.
일반주제명Developmental genetics.
Evolution (Biology)
Genetic regulation.
Biological Evolution.
Genes, Developmental.
SCIENCE -- Life Sciences -- Anatomy & Physiology.
SCIENCE -- Life Sciences -- Evolution.
Developmental genetics.
Evolution (Biology).
Genetic regulation.
Entwicklungsgenetik.
Genregulation.
Evolution.
언어영어
기타형태 저록Print version:Wagner, Gu?nter P., 1954-Homology, genes, and evolutionary innovation9780691156460
대출바로가기http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=710134

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