Nonsynonymous and synonymous mutations

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Question

What is the distinction between nonsynonymous and synonymous mutations?

- Synonymous mutations are much more likely to alter fitness than nonsynonymous mutations.

- Nonsynonymous mutations change the amino acid coding sequence of a gene, synonymous mutations do not.

- Synonymous mutations change the three-letter codon, while nonsynonymous mutations do not.

- Nonsynonymous mutations usually affect the nucleotide in the last codon position, while synonymous mutations can affect any codon position.

Reference no: EM133230064

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