Question

According to Hugo de Vries, mutations are

• A. Random and directionless
• B. Random and directional
• C. Definite and directional
• D. Small and directionless

Answer 1

The correct option is A

Random and directionless

The correct option is (a).

Explanation of the correct option:

1. Hugo de Vries bought the idea of mutations as non-minor variations that are heritable.
2. He proposed that mutations are random and directionless, while Darwin’s theory stated it is small and directional.
3. He also believed that mutation caused speciation and hence called it saltation.

Final answer: According to Hugo de Vries, mutations are random and directionless