AP Biology Unit 6: Gene Expression & RegulationLesson 6.2: DNA Replication (Complete Visual Breakdown + Practice)This DNA Replication (6.2) lesson is a full, start-to-finish walkthrough of one of the most concept-heavy topics in AP Biology Unit 6. From initiation to elongation to fragment joining and error correction, this resource breaks DNA replication down visually, logically, and in AP-exam language students can actually follow. No more confusion about 5′→3′ directionality, leading vs