What is the genetic basis for proof that codon is a triplet?

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.

Codon is triplet of

Which of the following mutations prove(s) that codon is a triplet and it is read in a contiguous manner?

Which of the following mulations prove(s) that codon is a triplet and it is read in a contiguous manner?

What is the genetic basis of wrinkled phenotype of pea seed?

What is genetic code? Why genetic code is in triplet form? Give characterstics of genetic code.

Which is incorrect for genetic code - (i) The codon is triplet (ii) 64 codons code for amino acids (iii) Genetic code is unambiguous (iv) Genetic code is nearly universal (v) AUG has dual functions