The conclusions of de Vries from his experiments with Oenothera lamarckiana incl

MCQ Practice

The conclusions of de Vries from his experiments with Oenothera lamarckiana include:

Subject: BiologyTopic: Genetics And Evolution

Mutations are unidirectional

New elementary species appear suddenly that attain immediately full constancy

Mutants are produced only once in large numbers, which are subjected to natural selection

Mutations are almost similar to the fluctuating variations

Correct Answer: B