A polypeptide having 50 amino acids is specified by a linear sequence of how many nucleotides?

120

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130

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140

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150

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Solution

The correct option is D 150
We know genetic code is triplet. So, 50*3= 150.

The genetic code is continuous and does not possess any pause after the triplets. If a nucleotide is deleted or added, the whole genetic code will read differently.

Thus, a polypeptide having 50 amino acids shall be specified by a linear sequence of 150 nucleotides. Therefore, option d) is correct.

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