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Henry Bernard Davis Kettlewell (24 February 1907 – 11 May 1979) [1] 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.
The book's reception led to claims that the peppered moth evolution story ought to be deleted from textbooks. [29] [30] Scientists have examined the allegations made by Hooper, and found them to be without merit. [31] [32] [33] Majerus described the book as "littered with errors, misrepresentations, misinterpretations and falsehoods". [23]
The peppered moth (Biston betularia) is a temperate species of night-flying moth. [1] It is mostly found in the northern hemisphere in places like Asia, Europe and North America. Peppered moth evolution is an example of population genetics and natural selection. [2] The caterpillars of the peppered moth not only mimic the form but also the ...
The book was described as well-written in reviews in the mainstream press, [3] [4] but it was severely criticised in scientific publications. Writing in Nature, Coyne (2002) attacked Hooper's "flimsy conspiracy theory [of] ambitious scientists who will ignore the truth for the sake of fame and recognition [by which] she unfairly smears a brilliant naturalist".
Peppered moth with dark phenotype that was positively selected for during the Industrial Revolution. Peppered Moth with white phenotype that was negatively selected for during the Industrial Revolution. A significant example of directional selection in populations is the fluctuations of light and dark phenotypes in peppered moths in the 1800s. [16]
Industrial melanism is known from over 70 species of moth that Kettlewell found in England, and many others from Europe and North America. [17] Among these, Apamea crenata (clouded border brindle moth) and Acronicta rumicis (knot grass moth) are always polymorphic, though the melanic forms are more common in cities and (like those of the peppered moth) are declining in frequency as those ...
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Biston is a genus of large, long-winged moths belonging to the family Geometridae. It is most notable for containing the well-known peppered moth . The genus was first described by William Elford Leach in 1815.