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Weismannism

[ vahys-mahn-iz-uhm ]

noun

, Biology.
  1. the theories of heredity as expounded by Weismann, especially the theory that all inheritable characteristics are carried in the germ plasm, and that acquired characteristics cannot be inherited.


Weismannism

/ ˈvaɪsmənˌɪzəm /

noun

  1. the doctrine of the continuity of the germ plasm. This theory of heredity states that all inheritable characteristics are transmitted by the reproductive cells and that characteristics acquired during the lifetime of the organism are not inherited
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Other Words From

  • Weismann·i·an adjective noun
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Word History and Origins

Origin of Weismannism1

First recorded in 1890–95; Weismann + -ism
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Word History and Origins

Origin of Weismannism1

C19: named after August Weismann (1834–1914), German biologist
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Example Sentences

Let us now proceed to the experimental evidence which has been adduced on the side of Weismannism.

Unless Weismannism be regarded as this doctrine of absolutism it permits no basis for his attempted theory of evolution.

Fortuitously initiated development is a condition sine qua non of Darwinism and Weismannism.

Mr. Wallace, therefore, may well be excused if he casts longing eyes towards Weismannism.

Now let me return to the recent division of biological opinion into two main streams—Lamarckism and Weismannism.

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