Divergence with Genetic Exchange

Paperback | November 29, 2015

byMichael L. Arnold

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The study of genetic exchange resulting from natural hybridization, horizontal gene transfer, and viral recombination has long been marked by controversy between researchers holding different conceptual frameworks. Those subscribing to a doctrine of "species purity" have traditionally beenreluctant to recognise inferences suggesting anything other than a marginal role for non-allopatric divergence leading to gene transfer between different lineages. However, an increasing number of evolutionary biologists now accept that there is a growing body of evidence indicating the existence ofnon-allopatric diversification across many lineages and all domains of biological diversity. Divergence with Genetic Exchange investigates the mechanisms associated with evolutionary divergence and diversification, focussing on the role played by the exchange of genes between divergent lineages, a process recently termed "divergence - with-gene-flow". Although the mechanisms by which suchdivergent forms of life exchange genomic material may differ widely, the outcomes of interest - adaptive evolution and the formation of new hybrid lineages - do not. Successive chapters cover the history of the field, detection methodologies, outcomes, implications for conservation programs, and theeffects on the human lineage associated with the process of genetic transfer between divergent lineages.This research level text is suitable for senior undergraduate and graduate level students taking related courses in departments of genetics, ecology and evolution. It will also be of relevance and use to professional evolutionary biologists and systematists seeking a comprehensive and authoritativeoverview of this rapidly expanding field.

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The study of genetic exchange resulting from natural hybridization, horizontal gene transfer, and viral recombination has long been marked by controversy between researchers holding different conceptual frameworks. Those subscribing to a doctrine of "species purity" have traditionally beenreluctant to recognise inferences suggesting an...

Mike Arnold, Distinguished Research Professor of Genetics at the University of Georgia, has concentrated his research work in the area of evolutionary genetics, particularly the study of genetic exchange. Mike has championed the view of such exchange as a critical evolutionary process. For example, through breeding experiments and geno...

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Format:PaperbackDimensions:272 pages, 9.69 × 7.44 × 0.55 inPublished:November 29, 2015Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0198755112

ISBN - 13:9780198755111

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Table of Contents

1. Genetic Exchange: An Historical Consideration2. Genetic Exchange and Species Concepts3. Testing for Genetic Exchange4. Genetic Exchange, Reproductive Barriers and the Mosaic Genome5. Genetic Exchange and Fitness6. Evolutionary Outcomes of Genetic Exchange7. Genetic Exchange and Conservation8. Genetic Exchange and Humans9. Epilogue