1. The diagram below shows a strand of DNA before and after it
was mutated.
ACC-A-T-T-A-C-
G A
C-A-T-T-A-C-G
T
G
-T-A-A-T-G-C
Normal DNA
G-T-A-A-T-G-C
Mutated DNA
What type of mutation does the DNA sequence show?
A. frameshift
B. deletion
C. inversion
D. translocation