Molecular Basis Of Inheritance Question 143
Question: In a mutational event, when adenine is replaced by guanine, it is a case of:
Options:
A) Frame shift mutation
B) Transcription
C) Transition
D) Transversion
Show Answer
Answer:
Correct Answer: C
Solution:
[c] In transition substitution a purine is replaced by another purine base (A with G or vice versa).
In transversion substitution a purine is replaced by a pyrimidine base or vice versa.
Frameshift mutation is a type of mutation where the reading of codons is changed due to insertion or deletion of nucleotides.
Transition is the formation of RNA over the template of DNA.
BETA
