Mutations which alter nucleotide sequence within a gene are called
frame shift mutations
base pair substitutions
both $(a)$ and $(b)$
none of these
Initiation of polypeptide chain is through
What is not correct for genetic code?
Which one of the following pairs is correctly matched with regard to the codon and the amino acid coded by it
State the salient features of genetic code.
Select the incorrect statement(s).
$i.$ Six codons do not code for any amino acid.
$ii.$ Codon is read in $mRNA$ in a contiguous fashion.
$iii.$ Three codons function as stop codons.
$iv.$ The initiation codon $AUG$ codes for methionine.