what is of transcriptional control.
Top 10 unbelievable historical concurrencies. Transcriptional regulation is a term used to describe a number of biological processes by which transcription, the process through which the genetic data stored in DNA is transcribed to RNA, is controlled.egulation of gene expression can occur at every level of the central dogma of biology. Transcriptional regulation is a specific form of gene regulation that occurs during the transcription process by moderating the rate of transcription.