What is the difference between S phase and G₂ phase?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
|
Feature |
S Phase |
G₂ Phase |
|
Primary activity |
DNA replication |
Protein synthesis (tubulin, enzymes) |
|
Duration (humans) |
6-8 hours |
2-5 hours |
|
DNA content |
Doubles (1C → 2C) |
Remains 2C |
|
Purpose |
Duplicate genome |
Prepare cell for mitosis |
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