And that means we have more than one codon that basically codes for the same exact amino acid. And this means our genetic code is degenerate. It is redundant. And so that means sometimes if we basically change as a result of our point mutation, if we change one codon for a second codon, and that second codon codes for the same exact amino acid as the first, then such a point, mutation on the gene will be a silent mutation because it will produce the same exact amino acid sequence and therefore the same exact protein. So, once again, what about a mutation in the coding region? So remember that codons are a sequence of three nucleotides that are used to link amino acids.