• Thumbnail for Melanism
    and Asian golden cat, suggesting that melanism arose independently at least four times in the cat family. Melanism in leopards is inherited as a Mendelian...
    20 KB (2,209 words) - 04:07, 9 November 2024
  • Thumbnail for Industrial melanism
    Industrial melanism is an evolutionary effect prominent in several arthropods, where dark pigmentation (melanism) has evolved in an environment affected...
    28 KB (2,933 words) - 04:54, 17 June 2024
  • Frequency of melanism appears to be approximately 11% over the leopard's range. Data on the distribution of leopard populations indicates that melanism occurs...
    27 KB (2,889 words) - 02:19, 7 November 2024
  • Thumbnail for Black squirrel
    polygenic result. Melanism with Richardson's ground squirrels is due to recessive genes. With regard to black squirrels and melanism, two major theories...
    40 KB (4,495 words) - 00:58, 13 November 2024
  • Thumbnail for Peppered moth evolution
    industrial melanism. Later, when pollution was reduced in response to clean air legislation, the light-coloured form again predominated. Industrial melanism in...
    40 KB (4,522 words) - 06:41, 24 October 2024
  • Thumbnail for Peppered moth
    experiments have shown that in Biston betularia betularia, the allele for melanism producing morpha carbonaria is controlled by a single locus. The melanic...
    23 KB (2,402 words) - 03:45, 9 November 2024
  • The Evolution of Melanism: a study of recurring necessity; with special reference to industrial melanism in the Lepidoptera is a 1973 science book by...
    7 KB (912 words) - 10:34, 10 December 2023
  • atmospheric pollution of sulphur dioxide and soot around cities with industrial melanism, a dramatic increase in the frequency of dark forms over the formerly abundant...
    13 KB (1,647 words) - 13:03, 21 July 2024
  • Thumbnail for Josef Melan
    century. Josef Melan is credited as the inventor of the Melan System, a method for the construction of reinforced bridges. The Melan System differed...
    7 KB (784 words) - 17:40, 13 October 2024
  • Kettlewell's book The Evolution of Melanism. The book contains a very useful summary of Majerus' work on melanism in ladybirds and a review of the peppered...
    2 KB (265 words) - 11:07, 8 January 2021