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.

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(i), (ii) and (iii)

(i), (ii) and (iv)

(ii) only

(i) only

answer is A.

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Detailed Solution

Total number of codons are 64 . among 64 codons 61 codons code for amino acids ,3 codons do not code for any amino acid. Such codons are called non-sense codons or terminator codon. UAG, UAA & UGA are terminator codons or stop codons

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