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Question

Silent mutation indicates that the genetic codes are usually:

A
Specific
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B
Degenerate
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C
Universal
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D
Ambigous
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Solution

The correct option is C Degenerate
Silent mutations is a type of mutation in which single base of the triplet codon is replaced by another base pair. However, this single base pair change does not affect the overall performance of the protein. The amino acid translated remains unchanged and have similar biochemical properties. This indicates the degeneracy of the genetic code. Most amino acids are translated by more than one codon indicating that the genetic code is degenerate.
Thus, the correct answer is option B.

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