Bernard Kettlewell conducted research in the 1950s which supported his hypothesis that the color and environment of peppered moths was responsible for natural selection and for changes in gene frequency. Research conducted in the 1990s has questioned the work of Kettlewell. What was wrong with Kettlewell's research? Do the new questions that have arisen disprove Kettlewell song hypothesis?

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Kettlewell was a research fellow in Department of Zoology University of OxfordIn 1950s he did an exp... View the full answer