The correct answer is 4.
Gene expression in eukaryotic cells occurs at epigenetic, transcriptional, post-transcriptional, translational, and post-
translational levels
1. Only the transcriptional level
2. Epigenetic and transcriptional levels
3. Epigenetic, transcriptional, and translational levels
4. Epigenetic, transcriptional, post-transcriptional, translational, and post- translational levels
The correct answer is 4.
Gene expression in eukaryotic cells occurs at epigenetic, transcriptional, post-transcriptional, translational, and post-
translational levels