Multiple choice

A mutation that causes a change in a single nucleotide in DNA

  1. causes the codon to be correct, but the anti-codon to be incorrect

  2. causes protein synthesis to stop

  3. changes the corresponding nucleotide in mRNA, resulting in a different codon

  4. will have no effect on the resulting protein
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A change in a single nucleotide in DNA changes the corresponding nucleotide in mRNA, resulting in a different codon that codes for a different amino acid.

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