A segment of the DNA has a base sequence AAG GAG GAC CAA CCA, which of the following sequences represents a frameshift mutation?

Q. A segment of the DNA has a base sequence AAG GAG GAC CAA CCA, which of the following sequences represents a frameshift mutation?

A.            AGG AGG ACC AAC CA

B.            AAG GCG GẠC CCA AC

C.            ACG GAC GẠC CAG CCA

D.            AAG GAG GAC CAA CCA

Answer: AGG AGG ACC AAC CA