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A nonsense mutation is one that:
  • a)
    Adds an additional codon to an RNA transcript
  • b)
    Deletes segments of RNA
  • c)
    Changes an amino acid from one to another
  • d)
    Creates a premature stop codon
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A nonsense mutation is one that:a)Adds an additional codon to an RNA t...
A nonsense mutation is a type of genetic mutation that introduces a premature stop codon in the DNA or mRNA sequence. A stop codon is a specific sequence of three nucleotides (UAA, UAG, or UGA) that signals the termination of protein synthesis during translation. When a nonsense mutation occurs, it results in the substitution of a normal codon (which codes for an amino acid) with a premature stop codon. This premature stop codon prematurely terminates the translation process, leading to the production of a truncated or non-functional protein. Therefore, option D is the correct answer.
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