Question

Concept of mutations was put forth by :

• A. Hardy Weinberg who worked on allele frequencies in population
• B. Gregor Mendel who worked on Pisum sativum
• C. Charles Darwin who found a wide variety of organisms during sea voyage
• D. Hugo de Varies who worked on Evening Primrose

Answer 1

The correct option is D Hugo de Varies who worked on Evening Primrose

Hugo do Vries, worked on evening primrose, has given the concept of mutation. Hugo de Vries based on his work on evening primrose brought forth the idea of mutations- large arising suddenly in a population. He believed that it is mutation which causes evolution and not the minor variations (heritable) that Darwin talked about. Mutations are random and directionless while Darwinian variations are small and directional.

So, the correct answer is option -b.