Is evolvability evolvable?
نویسندگان
چکیده
منابع مشابه
Evolvability Is Inevitable: Increasing Evolvability without the Pressure to Adapt
Why evolvability appears to have increased over evolutionary time is an important unresolved biological question. Unlike most candidate explanations, this paper proposes that increasing evolvability can result without any pressure to adapt. The insight is that if evolvability is heritable, then an unbiased drifting process across genotypes can still create a distribution of phenotypes biased to...
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Concomitant with the evolution of biological diversity must have been the evolution of mechanisms that facilitate evolution, because of the essentially infinite complexity of protein sequence space. We describe how evolvability can be an object of Darwinian selection, emphasizing the collective nature of the process. We quantify our theory with computer simulations of protein evolution. These s...
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Control of the living cell functions with remarkable reliability despite the stochastic nature of the underlying molecular networks--a property presumably optimized by biological evolution. We ask here to what extent the ability of a stochastic dynamical network to produce reliable dynamics is an evolvable trait. Using an evolutionary algorithm based on a deterministic selection criterion for t...
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This paper provides an answer to the open problem raised by Feldman and Valiant at COLT’08. That is, it is known that concepts classes of conjunctions, disjunctions, linear threshold functions and k-CNF/DNF are evolvable over fixed distributions, but it is unknown whether they are evolvable distribution-independently. Or in other words, whether weak evolvability is equivalent to strong evolvabi...
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ژورنال
عنوان ژورنال: Nature Reviews Genetics
سال: 2008
ISSN: 1471-0056,1471-0064
DOI: 10.1038/nrg2278