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Joachim Krug: How predictable is evolution?

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CSDC - Dip. Fisica e Astronomia - Università di Firenze
Istituto dei Sistemi Complessi - CNR
INFN - esperimento PIECES
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Mercoledì 30 Marzo 2016, ore 14.30

c/o  Aula 1, Edificio F - CNR
via Madonna del Piano 10,
Sesto Fiorentino


Title:
How predictable is evolution?

Speaker:
Joachim Krug (Institute of Theoretical Physics, University of Cologne)

Abstract:
The relative importance of determinism and contingency in biological evolution is the subject of a long-standing debate. In the words of Stephen J. Gould, if we could replay the tape of life on earth, would the outcome at all resemble the present biosphere? Recent work in the more modest arena of experimental evolution with microbes has begun to address some aspects of this question. In this talk I will introduce different notions of predictability that are relevant in this context, and describe factors that affect the stochasticity of the adaptive process in quantitative terms. In particular, the roles of the distribution of fitness effects, the constraints of the underlying fitness landscape and the size of the adapting population will be discussed.

 
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