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neo-darwinism
[ noun ]
a modern Darwinian theory that explains new species in terms of genetic mutations
<noun.cognition>




Neo-Darwinism \Ne`o-Dar"win*ism\, n.
The theory which holds natural selection, as explained by
Darwin, to be the chief factor in the evolution of plants and
animals, and denies the inheritance of acquired characters;
-- esp. opposed to {Neo-Lamarckism}. Weismannism is an
example of extreme Neo-Darwinism. -- {Ne`o-Dar*win"i*an}, a.
& n.
[Webster 1913 Suppl.]


Weismannism \Weis"mann*ism\, n. (Biol.)
The theories and teachings in regard to heredity propounded
by the German biologist August Weismann, esp. in regard to
germ plasm as the basis of heredity and the impossibility of
transmitting acquired characteristics; -- often called
{neo-Darwinism}.
[Webster 1913 Suppl.]