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Phenotypic Novelty in EvoDevo: The Distinction Between Continuous and Discontinuous Variation and Its Importance in Evolutionary Theory.
Evolutionary Biology ( IF 2.5 ) Pub Date : 2016-04-28 , DOI: 10.1007/s11692-016-9372-9
Tim Peterson 1 , Gerd B Müller 2
Affiliation  

The introduction of novel phenotypic structures is one of the most significant aspects of organismal evolution. Yet the concept of evolutionary novelty is used with drastically different connotations in various fields of research, and debate exists about whether novelties represent features that are distinct from standard forms of phenotypic variation. This article contrasts four separate uses for novelty in genetics, population genetics, morphology, and behavioral science, before establishing how novelties are used in evolutionary developmental biology (EvoDevo). In particular, it is detailed how an EvoDevo-specific research approach to novelty produces insight distinct from other fields, gives the concept explanatory power with predictive capacities, and brings new consequences to evolutionary theory. This includes the outlining of research strategies that draw attention to productive areas of inquiry, such as threshold dynamics in development. It is argued that an EvoDevo-based approach to novelty is inherently mechanistic, treats the phenotype as an agent with generative potential, and prompts a distinction between continuous and discontinuous variation in evolutionary theory.

中文翻译:

EvoDevo 中的表型新颖性:连续变异和不连续变异之间的区别及其在进化理论中的重要性。

新表型结构的引入是有机体进化最重要的方面之一。然而,进化新颖性的概念在不同的研究领域中具有截然不同的含义,并且关于新颖性是否代表与表型变异的标准形式不同的特征存在争议。本文对比了新颖性在遗传学、群体遗传学、形态学和行为科学中的四种不同用途,然后确定了新颖性如何在进化发育生物学 (EvoDevo) 中使用。特别是,它详细介绍了 EvoDevo 特有的新颖性研究方法如何产生不同于其他领域的见解,赋予概念解释力和预测能力,并为进化理论带来新的结果。这包括概述研究策略,吸引人们对富有成效的探究领域的关注,例如发展的阈值动态。有人认为,基于 EvoDevo 的新颖性方法本质上是机械论的,将表型视为具有生成潜力的代理,并提示进化理论中连续变异和不连续变异之间的区别。
更新日期:2016-04-28
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