A) Hugo de Vries, who worked on evening primrose
B) Gregor Mendel, who worked on Pisum sativum
C) Hardy Weinberg, who worked on allele frequencies in a population
D) Charles Darwin, who observed a wide variety of organisms during sea voyage
Correct Answer: A
Solution :
Hugo de Vries worked on evening primrose (Oenothera lamarckiana) and put forward the idea of mutation. Gregor Mendel worked on Pisum sarivum and listed principles of genetics. Charles Darwin observed a wide variety of organisms and proposed theory of natural selection.
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