At which of the following levels the predominant regulation of gene expression of both prokaryotes and eukaryotes take place?
Expression of a functional gene product from genes is the gene expression. The functional product is not always proteins. Non-protein coding genes are also expressed as functional RNAs (tRNA, snRNA, miRNA etc.) Regulation of gene expression occurs at transcriptional level in both prokaryotes and eukaryotes.
DNA replication
Transcription
Translation
Post-translational
Transcription