Which of the following is not an advantage of degeneracy in the genetic code?
a. more than one amino acid can bind to a trna.
b. each trna can bind to more than one codon.
c. most codons can bind to more than one trna.
d. fewer trna molecules are needed.

The correct answer is option A. "More than one amino acid can bind to a tRNA".

Explanation:

The degeneracy in the genetic code refers to a redundancy of the genetic code at which more than one of the three-base pair codon is translated into the same amino acid. This degeneracy happens because a wobble base pair allows that each tRNA can bind to more than one codon and most codons can bind to more than one tRNA. In consequence, fewer tRNA molecules are needed for translation. However, it is false to affirm that more than one amino acid can bind to a tRNA, the tRNA have their specific amino acid at which they can bind, the degeneracy only happens at the codon level.

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