This is a normal nucleotide sequence found on a section of DNA:

Question

A-A-T-A-G-C-A-T-T
What is a small-scale mutation caused by deletion?
A) A-A-T-A-C-A-T-T
B) A-A-T-A-G-C-A-T-A
C) A-A-T-A-C-G-A-T-A
D) A-A-U-A-G-C-A-U
I think the answer is a!

Answer 1

A is correct.