1.

Record Nr.

UNINA9910777465503321

Autore

Arnold Michael L (Michael Lynn)

Titolo

Evolution through genetic exchange [[electronic resource] /] / Michael L. Arnold

Pubbl/distr/stampa

Oxford ; ; New York, : Oxford University Press, 2006

ISBN

1-281-16036-9

9786611160364

0-19-152462-X

1-4356-0683-3

Descrizione fisica

1 online resource (271 p.)

Disciplina

576.5

Soggetti

Hybridization

Evolution (Biology)

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references (p. 194-234) and index.

Nota di contenuto

Contents; 1 History of investigations; 2 The role of species concepts; 3 Testing the hypothesis; 4 Barriers to gene flow; 5 Hybrid fitness; 6 Gene duplication; 7 Origin of new evolutionary lineages; 8 Implications for endangered taxa; 9 Humans and associated lineages; 10 Emergent properties; Glossary; Reference; Index

Sommario/riassunto

More and more data indicate that evolution has resulted in lineages consisting of mosaics of genes derived from different ancestors. It is therefore becoming increasingly clear that the tree is an inadequate metaphor of evolutionary change. In this book, Arnold promotes the 'web-of-life' metaphor as a more appropriate representation of evolutionary change in all lifeforms. - ;Even before the publication of Darwin's Origin of Species, the perception of evolutionary change has been a tree-like pattern of diversification - with divergent branches spreading further and further from the trunk. In t