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) Transitions

D) Transversion

Show Answer

Answer:

Correct Answer: C

Solution:

In transition substitution a purine is replaced by a pyrimidine base (A with T or vice versa).

In transversion substitution a purine is replaced by a purine base or a pyrimidine is replaced by a pyrimidine base.

Frameshift mutation is a type of mutation where the reading of codons is changed due to insertion or deletion of nucleotides.

Transcription is the formation of RNA over the template of DNA.



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