Variations caused by mutation, as proposed by Hugo de Vries, are:

  • Option 1)

    random and directional

  • Option 2)

    random and directionless

  • Option 3)

    small and directional

  • Option 4)

    small and directionless

Answers (2)

 

Hugo De Vries Mutation Theory -

This theory states that new species arise from the pre-existing one in single generation situation by sudden  appearance of marked genetic variation called mutation

- wherein

According to De Vries, evolution in a discontinous and jerky process, rather than a continious and gradual one

 

 

 

According to Hugo De Vries, mutuations are discontinuous, random and non-directional. These mutuations are responsible for the accumulation of variations that act as the raw material for evolution.


Option 1)

random and directional

Option 2)

random and directionless

Option 3)

small and directional

Option 4)

small and directionless

1

 

Radom and dirrctionaless

 

 

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