Question

Hugo de Vries did an experiment on which plant to prove mutation theory?

(a) Evening primrose

(b) Morning primrose

(c) Night primrose

(d) Pea pant

I had been asked this question during an online exam.

I would like to ask this question from Mechanism of Evolution topic in section Evolution of Biology – Class 12

Answer 1

The correct answer is (a) Evening primrose

Explanation: Hugo de Vries proved mutation theory by doing experiments on Oenothera lamarckian, also known as evening primrose. It was from this plant; he came up with the observations. It is a complex heterozygous plant with a chromosomal aberration.