Question

Which represents a deletion of a section of the DNA shown here? A—C—T—G—G—A—T A. A—C—T—C—C—G—G B. A—C—T—A—G—A—T C. A—T—C—G—A—T D. A—G—G—A—T

Answer 1

It is choice d because the original sequence is ACTGGAT whereas in choice d  it is AGGAT because you removed the second and third bases (CT)