Answer:
1. A-C-G-G-T is duplication.
2. C-G-T is deletion.
3. A-G-C-T is reordering.
Step-by-step explanation:
Your original sequence is ACGT. You compare the original sequence to the 3 mutations.
1. There 2 G's now, which means that the G has been duplicated.
2. The A is now gone in the front of the sequence.
3. The C and G were switched.