Q. According to Hugo de Vries, the mechanism of evolution is
A) Phenotypic variations
B) Saltation
C) Multiple step mutations
D) Minor mutations
Explanation
[Solution] De Vries proposed evolution by large single-step mutations (saltation). Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.