Examine the two strands of DNA below. Which kind of mutation occurred?

Original strand: AGC GTA CCC TAC

New strand: AGC GTA ACC TAC

(1 point)
Responses

frameshift
frameshift

insertion
insertion

deletion
deletion

substitution
substitution

All Answers 1

Answered by GPT-5 mini AI
Substitution.

Explanation: Only one base changed (CCC → ACC), so it's a single-base (point) substitution — not an insertion/deletion or frameshift.