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| Pregunta | Respuesta |
| Amino Acid | The building block of proteins. |
| Codon | A three-nucleotide sequence in an mRNA sequence. Used to specify an amino acid. |
| Degenerate | Term used to describe the genetic code. Means that more than one codon can specify for a single amino acid. |
| Extragenic supression | A type of mutation that occurs outside of the genetic code, but has an effect on the amino acid sequence that is translated from the genetic code. |
| Frameshift mutation | One class of genetic code mutation that results from the insertion or deletion of a nucleotide to an mRNA sequence. Results in a new reading frame. |
| Genetic Code | The series of codons that make up an organism's DNA. |
| Intragenic suppression | A type of mutation that occurs within the genetic code to suppress a different mutation. |
| Missense mutation | One class of genetic code mutation that results from the substitution of one base group for another in a codon. Results in the change of the amino acid for which the codon specifies. |
| Mutation | An error in the genetic code caused most often by a the incorrect substitution, insertion, or deletion of a nucleotide. |
| Nonsense mutation | One class of genetic code mutation that results from the substitution of one base group for another in a codon. Results in a stop codon, a codon that can no longer be recognized by tRNA molecules. |
| Reading frame | One of three possible ways of grouping an mRNA sequence by threes to yield an amino acid sequence. |
| Silent Mutation | A substitution base mutation that changes a codon, but because of degeneracy does not change the amino acid that codon specifies. |
| Suppressor mutation | A type of genetic code mutation that alters the result of a different mutation. Can be either extragenic or intragenic. |
| Synonyms | Codons that code for the same amino acid. |
| True reversion | One type of suppression mutation that leads to the restoration of the natural genetic code sequence. |
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