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The DNA sequence TTT codes for the amino acid lysine. The DNA sequence TTC

also codes for lysine. What can you conclude from this information?

Sagot :

luisvaschetto

Answer:

The genetic code is degenerate and therefore mutations may go unnoticed.

Explanation:

Each triplet of nucleotide bases, which is known as a codon, encodes for a specific amino acid during translation. However, a single amino acid may be coded by different codons. It is for that reason that the genetic code is considered to be degenerate. In this case, Lysine amino acid can be encoded by both TTT (UUU in the mRNA) and TTC (UUC) codons, thereby a mutation T>C at the third nucleotide codon position does not affect the resulting protein (i.e., it is a silent mutation).

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