Selection in molecular evolution

IF 1.4 2区 哲学 Q1 HISTORY & PHILOSOPHY OF SCIENCE
David Lynn Abel
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引用次数: 0

Abstract

Evolution requires selection. Molecular/chemical/preDarwinian evolution is no exception. One molecule must be selected over another for molecular evolution to occur and advance. Evolution, however, has no goal. The laws of physics have no utilitarian desire, intent or proficiency. Laws and constraints are blind to “usefulness.” How then were potential multi-step processes anticipated, valued and pursued by inanimate nature? Can orchestration of formal systems be physico-chemically spontaneous? The purely physico-dynamic self-ordering of Chaos Theory and irreversible non-equilibrium thermodynamic “engines of disequilibria conversion” achieve neither orchestration nor formal organization. Natural selection is a passive and after-the-fact-of-life selection. Darwinian selection reduces to the differential survival and reproduction of the fittest already-living organisms. In the case of abiogenesis, selection had to be 1) Active, 2) Pre-Function, and 3) Efficacious. Selection had to take place at the molecular level prior to the existence of non-trivial functional processes. It could not have been passive or secondary. What naturalistic mechanisms might have been at play?

分子进化中的选择
进化需要选择。分子/化学/前达尔文进化论也不例外。必须选择一种分子而不是另一种分子,分子进化才能发生和发展。然而,进化是没有目标的。物理定律没有功利的愿望、意图或熟练程度。定律和约束对 "有用性 "视而不见。那么,无生命的自然界是如何预期、重视和追求潜在的多步骤过程的呢?形式系统的协调可以是物理化学自发的吗?混沌理论和不可逆的非平衡热力学 "不平衡转换引擎 "的纯物理动力自序既不能实现协调,也不能实现正规组织。自然选择是一种被动的、事后的生命选择。达尔文的选择简化为最合适的已存活生物的差异化生存和繁殖。就生物起源而言,选择必须是:1)主动的;2)功能前的;3)有效的。选择必须在非三维功能过程存在之前的分子水平上进行。它不可能是被动的或次要的。可能有哪些自然机制在起作用?
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来源期刊
Studies in History and Philosophy of Science
Studies in History and Philosophy of Science 管理科学-科学史与科学哲学
CiteScore
2.50
自引率
10.00%
发文量
166
审稿时长
6.6 weeks
期刊介绍: Studies in History and Philosophy of Science is devoted to the integrated study of the history, philosophy and sociology of the sciences. The editors encourage contributions both in the long-established areas of the history of the sciences and the philosophy of the sciences and in the topical areas of historiography of the sciences, the sciences in relation to gender, culture and society and the sciences in relation to arts. The Journal is international in scope and content and publishes papers from a wide range of countries and cultural traditions.
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