Assertion : The relationship between genes and DNA are best understood by mutation studies
Reason : Frame shift mutation forms the genetic basis of proof that codon is a triplet and it is read in a contiguous manner.

A) If both assertion and reason are true and the reason is the correct explanation of the assertion.

B) If both assertion and reason are true but reason is not the correct explanation of the assertion.

C) If assertion is true but reason is false.

D) If both assertion and reason are false.