11 found
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  1. Developmental Channeling and Evolutionary Dappling.Grant Ramsey & Cristina Villegas - forthcoming - Philosophy of Science.
    The developmental properties of organisms play important roles in the generation of variation necessary for evolutionary change. But how can individual development steer the course of evolution? To answer this question, we introduce developmental channeling as a disposition of individual organisms that shapes their possible developmental trajectories and evolutionary dappling as an evolutionary outcome in which the space of possible organismic forms is dappled—it is only partially filled. We then trace out the implications of the channeling-dappling framework for contemporary debates (...)
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  2.  88
    Conceptual Roles of Evolvability across Evolutionary Biology: Between Diversity and Unification.Cristina Villegas, Alan C. Love, Laura Nuño de la Rosa, Ingo Brigandt & Günter P. Wagner - 2023 - In Thomas F. Hansen, David Houle, Mihaela Pavlicev & Christophe Pélabon (eds.), Evolvability: A Unifying Concept in Evolutionary Biology? National Geographic Books. pp. 35–54.
    A number of biologists and philosophers have noted the diversity of interpretations of evolvability in contemporary evolutionary research. Different clusters of research defined by co-citation patterns or shared methodological orientation sometimes concentrate on distinct conceptions of evolvability. We examine five different activities where the notion of evolvability plays conceptual roles in evolutionary biological investigation: setting a research agenda, characterization, explanation, prediction, and control. Our analysis of representative examples demonstrates how different conceptual roles of evolvability are quasi-independent and yet exhibit important (...)
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  3.  48
    Chances and Propensities in Evo-Devo.Laura Nuño de la Rosa & Cristina Villegas - 2022 - British Journal for the Philosophy of Science 73 (2):509-533.
    While the notion of chance has been central in discussions over the probabilistic nature of natural selection and genetic drift, its role in the production of variants on which populational sampling takes place has received much less philosophical attention. This article discusses the concept of chance in evolution in the light of contemporary work in evo-devo. We distinguish different levels at which randomness and chance can be defined in this context, and argue that recent research on variability and evolvability demands (...)
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  4. Typology and organismal dispositions in evo-devo: a metaphysical approach.Cristina Villegas & Vanessa Triviño - 2023 - ArtefaCToS. Revista de Estudios de la Ciencia y la Tecnología 12 (1).
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  5.  93
    Typology and organismal dispositions in evo-devo: a metaphysical approach.Cristina Villegas & Vanessa Triviño - 2023 - ArtefaCToS. Revista de Estudios de la Ciencia y la Tecnología 12 (1).
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  6.  75
    Evolvability as a Disposition: Philosophical Distinctions, Scientific Implications.Ingo Brigandt, Cristina Villegas, Alan C. Love & Laura Nuño de la Rosa - 2023 - In Thomas F. Hansen, David Houle, Mihaela Pavlicev & Christophe Pélabon (eds.), Evolvability: A Unifying Concept in Evolutionary Biology? National Geographic Books. pp. 55–72.
    A disposition or dispositional property is a capacity, ability, or potential to display or exhibit some outcome. Evolvability refers to a disposition to evolve. This chapter discusses why the dispositional nature of evolvability matters—why philosophical distinctions about dispositions can have scientific implications. To that end, we build a conceptual toolkit with vocabulary from prior philosophical analyses using a different disposition: protein foldability. We then apply this toolkit to address several methodological questions related to evolvability. What entities are the bearers of (...)
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  7.  5
    Variational propensities: development and ultimate causes.Cristina Villegas - 2024 - Synthese 203 (5):1-23.
    This paper applies philosophical tools from the causalists/statisticalists debate to the evo-devo idea of variational tendencies as propensities biasing phenotypic change. It contends that variational properties are present in a statistical sense in some population dynamics models, particularly quantitative genetics ones, providing ultimate variational explanations. It further argues that these properties, contrary to some recent views, cannot be subsumed under natural selection. Finally, it advocates for a causalist interpretation of these explanations, where variational statistical properties indirectly refer to evo-devo’s variational (...)
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  8.  4
    Evolvability: filling the explanatory gap between adaptedness and the long-term mathematical conception of fitness.Pierrick Bourrat, Katie Deaven & Cristina Villegas - 2024 - Biology and Philosophy 39 (4):1-24.
    The new foundation for the propensity interpretation of fitness (PIF), developed by Pence and Ramsey (Br J Philos Sci 64:851–881, 2013), describes fitness as a probability distribution that encompasses all possible daughter populations to which the organism may give rise, including daughter populations in which traits might change and the possible environments that members of the daughter populations might encounter. This long-term definition of fitness is general enough to avoid counterexamples faced by previous mathematical conceptions of PIF. However, there seem (...)
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  9.  9
    Causing and Composing Evolution: Lessons from Evo-Devo Mechanisms.Cristina Villegas - 2023 - In João L. Cordovil, Gil Santos & Davide Vecchi (eds.), New Mechanism Explanation, Emergence and Reduction. Springer. pp. 61-83.
    Evolutionary developmental biology (evo-devo) is often vindicated by theoreticians of the field as a mechanistic science that brings a mechanistic perspective into evolutionary biology. Usually, it is also portrayed as stressing the causal role that development plays in the evolutionary process. However, mechanistic studies in evo-devo typically refer to lineage-specific transformations and lack the generality that evolutionary explanations usually aim for. After reviewing the prospects and limits of a mechanistic view of evo-devo and their studies of homology and novelty, in (...)
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  10.  3
    An epistemic argument for evolutionary dispositions.Cristina Villegas & Felipe Morales Carbonell - 2024 - Theoria: Revista de Teoría, Historia y Fundamentos de la Ciencia 39 (1):89-108.
    The use of dispositions has been put into question many times in the philosophical literature, especially with regards to how dispositional attributions can be justified. Yet, dispositions are an important part not only of our everyday talk but also of our scientific practices. In this paper, we develop an argument that infers the epistemic justification of dispositional talk from itsindispensability for carrying out basic epistemological projects, and we apply it to the use of dispositions in evolutionary biology. For doing this, (...)
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  11.  20
    Introduction.Cristina Villegas & Laura Nuño de la Rosa - 2019 - Quaderns de Filosofia 6 (1):11.
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