Q. Variations caused by mutation, as proposed by Hugo de Vries, are
A) random and directional
B) random and directionless
C) small and directional
D) small and directionless
Explanation
[Solution] De Vries described mutations as random and directionless (Darwin's variations were small and directional). Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.