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What does ‘Evolution behaves like a tinkerer’ by Francois Jacob mean?

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Biology

What does ‘Evolution behaves like a tinkerer’ by Francois Jacobmean?

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Franois Jacob discoverer of lac operon enzyme regulation model in bacteria awarded Nobel prize in 1965 Based on his experience with gene regulation models and the tinkering chemistry he worked with published an essay in Science 1977 Evolution and Tinkering He says that a mutual similarity between the course of evolution by natural selection and the methods of engineering is not comparable He says that the process of evolution happened by eclectic construction by tinkering around In this essay He does not refute the importance of the mechanism of natural selection in shaping complex adaptations Instead he maintains that the cumulative effects of history on the evolution of life made evident by molecular data provides an alternative account of the patterns depicting the history of life on earth Jacobs essay contributed to genetic research in the late twentieth century that emphasized certain types of topics in evolutionary and developmental biology such as genetic regulation gene duplication events and the genetic program of    See Answer
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