Question

5. Which of the following sequences is an example of a point mutation of the DNA sequence -A-A-G-T-G-C-?

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

Answer 1

-A-A-A-T-G-C-  because only one base pair is altered by the mutation