| Feature | Heterochromatin | Euchromatin |
|---|---|---|
| Staining Property | Darkly stained (dense) | Lightly stained (less dense) |
| Activity | Inactive (tightly packed, low transcription) | Active (loosely packed, high transcription) |
Answer: Heterochromatin is darkly stained and inactive; euchromatin is lightly stained and active.