Concept:Mutation theory states that evolution results from sudden, heritable changes called mutations.
Explanation:Hugo de Vries proposed the mutation theory in 1901 based on his experiments with the evening primrose plant.
He argued that new species arise suddenly through mutations, not by gradual changes.
Gregor Mendel is known for the laws of inheritance, not mutation theory.
Jean Lamarck suggested that acquired traits can be passed to offspring.
Charles Darwin proposed evolution by natural selection in 1859.
Only Hugo de Vries is linked to the mutation theory of evolution.
Answer:B. Hugo de Vries