Question

This is the normal nucleotide sequence on a DNA strand:

A-C-T-G-G-A-T

What is an insertion?

A. A-C-T-G-C-G-A-T

B. A-C-T-G-A-T

C. A-G-T-G-G-A-T

D. A-C-T-G-G-A-U

Answer 1

A.

Step-by-step explanation:

Answer 2

A. A-C-T-G-C-G-A-T

Step-by-step explanation:

An insertion is when a DNA base is added into a DNA strand usually from mutations.