Multiple choice

The mutations forming nonsense codon in the transcribed mRNA is ________________.

  1. frameshift mutation

  2. nonsense mutation

  3. missense mutations

  4. neutral mutation

  5. silent mutations
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A nonsense mutation is a point mutation in a sequence of DNA that results in a premature stop codon, or a nonsense codon in the transcribed mRNA, and possibly a truncated, and often nonfunctional protein product.

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