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🧬ap biology review

G2 Phase in AP Biology

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

Definition

The G2 phase is the third subphase of interphase in the cell cycle directly preceding mitosis. It follows successful completion of DNA synthesis and chromosomal replication during the S phase.

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AP course connection

Topic 4.6: Regulation of the Cell Cycle

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Unit 4

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