NEET Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank Self Evaluation Test - Molecular Basis of Inheritance

Select the incorrect statement(s) about genetic codon.

(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.

A) (i) only

B)                    (ii) only

C) (i), (ii) and (iv)

D)                    (i), (ii) and (iii)

Correct Answer: A

Solution :

[a] 3 codons do not code for any amino acid. Such codons are called non-sense codons or terminator codon. Eg UAG, UAA & UGA.