Consider the following statements.
1. Hugo de Vries gave the Mutation Theory to explain the mechanism of evolution.
2. Mutations are discontinuous variations and are also called Saltatory Variation.
3. Mutations are the ultimate source of organic variations.
Which of the statements given above is/are correct about mutation?

A. 1, 2 and 3

B. 2 and 3

C. 1 and 2

D. 1 and 3

Answer: Option A