BIOL 1020U Lecture Notes - Lecture 2: Carl Linnaeus, Modern Synthesis (20Th Century), Allele Frequency

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14 Apr 2016
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Evolution is the change over time in allele frequencies in a population of organisms. The theory is a foundation of modern biology, genetics, and ecology. Darwin"s theory: descent with modification by natural selection. In 1844, darwin wrote an essay on the origin of species and natural selection did not introduce his theory publicly. June 1858 - darwin received manuscript from: darwin quickly finished the origin of species and published it the next year. Darwin challenged traditional views: on the origin of species by means of natural selection (nov. 24 1859) stressed two major points: 2: at start of 19th century, the general belief was: Prevailing views before darwin: aristotle (384-322 b. c, opposed evolution species fixed and unchanging scala naturae. Old testament of the bible: species individually designed by creator and perfect, seemed to corroborate aristotle"s views, many scientists of 1700"s believed that creator had designed each species for a specific purpose.

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