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Define the following:--
1- What do you mean by Variations
2- What is meant by Industrial Melanism
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Answer:
1. - variation Definition. In genetic variation, the genes of organisms within a population change. Gene alleles determine distinct traits that can be passed on from parents to offspring. ... The genetic variations that arise in a population happen by chance, but the process of natural selection does not.
². -the prevalence of dark-coloured varieties of animals (especially moths) in industrial areas where they are better camouflaged than paler forms
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Explanation:
Industrial melanism is the term used to describe changes in the frequencies of pale and melanic morphs in a variety of insect species, primarily cryptic moths, that have been noted since the advent of industrialization in many parts of the world.
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