Natural Hybridization and Evolution

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Author: Michael L. Arnold

ISBN-10: 0195099753

ISBN-13: 9780195099751

Category: Evolution

Contrary to the popularly held view of natural hybridization as maladaptive or even a violation of divergent evolution, this book presents evidence that it plays a significant role in furthering diversification in organisms.

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This study draws on data from numerous sources that support the paradigm of natural hybridization as an important evolutionary process. The review of these data results in a challenge to the framework used by many evolutionary biologists, which sees the process of natural hybridization as maladaptive because it represents a violation of divergent evolution. In contrast, this book presents evidence of a significant role for natural hybridization in furthering adaptive evolution and evolutionary diversification in both plants and animals.

1Natural Hybridization: Definitions and History32Natural Hybridization and Species Concepts113Natural Hybridization: Frequency234Reproductive Parameters and Natural Hybridization645Natural Hybridization: Concepts and Theory1136Natural Hybridization: Outcomes1557Natural Hybridization: Emerging Patterns182References187Index213