Skip to main content
We’re so back. See what’s new for the 2026-2027 school year →
The new Teacher Workspace is here. Your first 3 assignments are free. Try it →

🧬ap biology review

Deletion Mutation in AP Biology

Written by the Fiveable Content Team
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team

Definition

A deletion mutation occurs when one or more nucleotide base pairs are removed from the DNA sequence.

AP course connection

Topic 6.7: 6.7 Mutations

Unit 6

Keep studying

Review this concept in 6.7 MutationsAP Biology course hub

Deletion Mutation cheat sheet for homework

visual study aid

"Deletion Mutation" also found in:

Keep studying AP Biology

Connect this key term to the AP exam workflow: review the course, practice questions, and check related study tools.

AP Biology hub

Review units, study guides, and course resources.

AP-style practice

Check this vocabulary in multiple-choice context.

FRQ practice

Apply key concepts in written AP responses.

Score calculator

Estimate the exam score you are working toward.

Cheatsheets

Review the highest-yield facts before practice.

Practice exam

Put the full course together before test day.