A mutation occurs in the DNA base sequence GGG GAG TTA, resulting in the base sequence GGA GAG TTA. Use the information in the table to determine the effect, if any, of this mutation on the amino acid chain produced?
Codon | Amino Acid |
UUU | Phenylalanine |
UUA | Leucine |
CUC | Leucine |
CCC | Proline |
CCU | Proline |
AAA | Lysine |
AAU | Asparagine |
Which of the following enzymes cuts a thymine dimer out of a UV-damaged DNA strand:
A mutation in a codon leads to the substitution of one amino acid with another. What is the name for this type of mutation?
Which of the following statements correctly describes the effect a nonsense mutation would have on a gene?