Principle Of Inheritance And Variation Question 390
Question: Assertion : Mutations are discontinuous variations. Reason : Mutations occur suddenly.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: A
Solution:
Mutations are sudden unpredictable inheritable departures from the normal type without any intermediate stage.
Discontinuous variations form the basis of mutation theory of evolution which was proposed by De Vries (1902).