NEET Biology question

In a given DNA segment ATG ACC AGG ACC CCA ACA, the first base gets mutated. The effect of this on coding by this DNA segment will result in

(A)Complete change in the type as well as sequence of amino acids
(B)Change in the first amino acid onlyCorrect
(C)No change in the sequence
(D)One amino acid less in the protein

Answer: (B)

Solution

A triplet codes for a given amino acid as long as its three bases are intact in sequence; since only the first base of the entire segment is mutated, only the first codon (triplet)

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Question ID VK-120512