this is the original sequence of DNA

ATC GGT ACA TGA GCC

which of the following shows a result of a frameshift mutation of the original sequence

A. atc ggt aca tga

B. ggt aca tga gcc

C. atc gta cat gag cc

D. atc ggt aca tga gcc act

D. atc ggt aca tga gcc act

This sequence has an extra three nucleotides (act) at the end, causing a frameshift mutation.