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Functional design in the evolution of embryos and larvae

机译:胚胎和幼虫进化中的功能设计

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摘要

A function of development is to put the right kind of cells in the right place at the right time. Other functional analyses help define what is right. As examples, functional analyses offer explanations for the unicellular bottleneck in life histories that necessitates embryos, evolutionary divergences in embryonic cell cycles, conditions permissive of loss of larval structures and consequent change in embryonic development, and the decoupled development of larval bodies and juvenile rudiments. Functional analyses also reveal the specifications required of morphogenesis, hence defining developmental phenomena to be explained.
机译:开发的功能是在正确的时间将正确的细胞放置在正确的位置。其他功能分析有助于定义正确的方法。例如,功能分析为生命史中的单细胞瓶颈提供了解释,这些瓶颈需要胚胎,胚胎细胞周期的进化差异,允许失去幼虫结构的条件以及随之而来的胚胎发育变化以及幼体和幼体发育的解耦。功能分析还揭示了形态发生所需的规范,从而定义了待解释的发展现象。

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