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Henry Bernard Davis Kettlewell (24 February 1907 – 11 May 1979) was a British geneticist, lepidopterist and medical doctor, who performed research on the influence of industrial melanism on peppered moth (Biston betularia) coloration, showing why moths are darker in polluted areas. This experiment is cited as a classic demonstration of natural selection in action. After live video record of the experiment with Niko Tinbergen, Sewall Wright called the study as "the clearest case in which a conspicuous evolutionary process has actually been observed."

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  • Bernard Kettlewell (de)
  • Bernard Kettlewell (en)
  • Bernard Kettlewell (fr)
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  • Henry Bernard Davis Kettlewell (* 24. Februar 1907 in Howden, Yorkshire, England; † 11. Mai 1979) war ein britischer Genetiker und Entomologe, der sich besonders mit Themen wie Industriemelanismus und ökologische Genetik befasste und vor allem ein bekannter Lepidopterologe war. (de)
  • Henry Bernard Davis Kettlewell (24 February 1907 – 11 May 1979) was a British geneticist, lepidopterist and medical doctor, who performed research on the influence of industrial melanism on peppered moth (Biston betularia) coloration, showing why moths are darker in polluted areas. This experiment is cited as a classic demonstration of natural selection in action. After live video record of the experiment with Niko Tinbergen, Sewall Wright called the study as "the clearest case in which a conspicuous evolutionary process has actually been observed." (en)
  • Henry Bernard Davis Kettlewell (né le 24 février 1907 et mort le 11 mai 1979) est un zoologiste britannique. Il met en évidence l'influence de l'environnement sur la sélection, avec l'étude en 1955 du cas de la répartition entre Phalène du bouleau de couleur blanche, adaptée aux arbres clairs, et ceux de couleur noire, invisible pour leurs prédateurs sur les troncs noirs des zones exposées à la pollution. C'est une des premières mises en évidence expérimentales de l'impact des conditions externes sur la sélection naturelle. (fr)
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  • Henry Bernard Kettlewell (en)
name
  • Henry Bernard Kettlewell (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Biston.betularia.7200.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Biston.betularia.f.carbonaria.7209.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Bernard_Kettlewell.jpg
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death place
  • Oxford, England (en)
death date
birth place
  • Howden, Yorkshire, England (en)
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