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Acquiring Genomes: A Theory of the Origin of Species
     

Acquiring Genomes: A Theory of the Origin of Species

by Lynn Margulis, Dorion Sagan, Ernst Mayr
 

ISBN-10: 0465043925

ISBN-13: 9780465043927

Pub. Date: 05/29/2003

Publisher: Basic Books


How do new species evolve? Although Darwin identified inherited variation as the creative force in evolution, he never formally speculated where it comes from. His successors thought that new species arise from the gradual accumulation of random mutations of DNA. But despite its acceptance in every major textbook, there is no documented instance of it. Lynn

Overview


How do new species evolve? Although Darwin identified inherited variation as the creative force in evolution, he never formally speculated where it comes from. His successors thought that new species arise from the gradual accumulation of random mutations of DNA. But despite its acceptance in every major textbook, there is no documented instance of it. Lynn Margulis and Dorion Sagan take a radically new approach to this question. They show that speciation events are not, in fact, rare or hard to observe. Genomes are acquired by infection, by feeding, and by other ecological associations, and then inherited. Acquiring Genomes is the first work to integrate and analyze the overwhelming mass of evidence for the role of bacterial and other symbioses in the creation of plant and animal diversity. It provides the most powerful explanation of speciation yet given.

Product Details

ISBN-13:
9780465043927
Publisher:
Basic Books
Publication date:
05/29/2003
Edition description:
Reprint
Pages:
256
Sales rank:
577,660
Product dimensions:
5.30(w) x 8.14(h) x 0.72(d)

Table of Contents

Forewordxi
Prefacexv
Part 1The Evolutionary Imperative
1Darwinism Not Neodarwinism3
2Darwin's Dilemma25
3Relative Individuality51
4The Natural Selector67
5Principles of Evolutionary Novelty71
Part 2The Microbe in Evolution
6Species and Cells81
7History of the Heritable89
Part 3Planetary Legacy
8Gaian Planet123
9Eukaryosis in an Anoxic World139
Part 4Consortia
10Seaworthy Alliances165
11Plant Proclivities185
12Chromosome Dance: The Fission Theory191
13Darwin Revisited: Species in the Evolutionary Dialogue201
Glossary207
References219
Acknowledgments225
Index229

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