which type of mutation always produces a stop codon? missense nonsense silent point

The type of mutation that always produces a stop codon is a nonsense mutation.

Quick Scoop

• A nonsense mutation changes a codon that normally codes for an amino acid into a stop codon, prematurely ending translation of the protein.

• Missense mutations change one amino acid to another, but do not necessarily create a stop codon.

• Silent mutations change the DNA sequence without changing the amino acid, so they also do not produce a stop codon.

• Point mutation is just a general term for a single-base change and can be missense, nonsense, or silent, so it does not always produce a stop codon.

So, among “missense, nonsense, silent, point,” the correct answer to “which type of mutation always produces a stop codon?” is: nonsense mutation.

TL;DR: The mutation that always produces a stop codon is a nonsense mutation.

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