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Question : Compare and contrast the theories of avolution proposed by Darwin and Hugo De Vries.

Answer»

Solution :SALIENT features of theory of Hugo de Vries :
(a) Mutations cause EVOLUTION.
(b) New species originate due to large mutations.
(C) Evolution is a DISCONTINUOUS process and not gradual.
(d) Mutations are directionless,
(e) Mutations appear SUDDENLY.
(f) Mutations exhibit their effect immediately.


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