Evolution Question 112
112. Variations caused by mutation, as proposed by Hugo de Vries, are:
[2019]
(a) random and directional
(b) random and directionless
(c) small and directional
(d) small and directionless
Show Answer
Answer : b
Hints & Solution
(b) According to Hugo de Vries, mutations are random and directionless. Hugo deVries believed that mutation caused speciation and hence called it saltation (single step large mutation).
