Mutation 。Frameshift mutation .Insertion or deletion of one or more nucleotide pairs DNA(coding strand) TACOOCAAACC AUO TACUUCAACCGAUT Transcription ↓ AasAsansse AodA囚oo@&的aAA mRNA Translation (d)Frameshift mutation Amino acid sequence Met Lys Phe Gly Stop (a)Normal DNA molecule Figure 8.17a,d • Frameshift mutation Mutation Figure 8.17a, d •Insertion or deletion of one or more nucleotide pairs