Principle Of Inheritance And Variation Question 418
Question: Assertion : Inversion and substitution are examples of point mutation. Reason : Point mutations involve a change in a single nucleotide.
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:
Inversion is a chromosomal mutation in which broken portion may rejoin in reverse orientation and substitution is a point mutation which is caused by replacement or substitution of one or more base pair or nucleotide with another in DNA molecule.
Most of the point mutations involve a change in only a single nucleotide or nitrogen base of the cistron.
BETA
