Figure 9.2: Huge De Vries Mutation Theory.

Evidence for the theory: There are experimental evidences to support the Huge De Vries mutation theory. These evidences are as follows:

1.  The experiment performed by De Vries was reproduced by several other scientist and they came to similar conclusions.

2. Mutations found spontaneously in nature and these sudden appearance of mutant varities has strengthen the mutation theory. These evidences found in nature are as follows: