write the objections to mutation teory of hugo de vries
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On the basis of above observations, Hugo de Vries (1901) put forward a theory of evolution, called mutation theory. The theory states that evolution is a shaky process where new varieties and species are formed by mutations (discontinuous variations) that function as raw material of evolution.
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1) Chromosomal aberration :- discontinued variation.
Gene mutation :- Minor change.
2) Rate of mutation is very slow as compare to evolution .
3) Chromosomal aberration is unstable.
4) Chromosomal aberration have little significant .
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