Mutations

• What is a point mutation?

  Single nucleotide change
• What is a frameshift mutation?

  Insertion or deletion of nucleotides
• What is a silent mutation?

  No change in amino acid sequence
• What is a nonsense mutation?

  Premature stop codon
• What is a missense mutation?

  Different amino acid incorporated
• What is mismatch repair?

  Enzymes fix errors missed by proofreading
• What is nucleotide excision repair?

  Removes damaged sections of DNA