There were also attacks from other unexpected quarters

There were also attacks from other unexpected quarters -...

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Unformatted text preview: There were also attacks from other unexpected quarters: a mathematician, Henry Jenkin, argued that any newly evolved trait, no matter how beneficial, would immediately be washed out of the population as the animal with that trait bred with other animals without it. Unfortunately for Darwin, genetics was not well enough understood for him to refute this criticism, which depended on a blending theory of inheritance instead of a gene theory. These attacks caused Darwin to revise his theory in successive editions of the Origins. He started to minimize the most important part of his theory, the mechanism of natural selection, and to allow that other processes, such as the Lamarckian inheritance of acquired traits, might help speed evolution along. But aside from these revisions, Darwin spent most of the 1870's shifting away from the theory of evolution...
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This note was uploaded on 12/13/2011 for the course ART 2313 taught by Professor Staff during the Fall '10 term at Texas State.

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There were also attacks from other unexpected quarters -...

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