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The first stage of gene expression is known as transcription. This is the process by which RNA Polymerase, along with other transcription factors, reads and transcribes the DN â¦ A sequence into a complementary RNA strand.3 people found this useful.he two main steps in gene expression are transcription and translation. In eukaryote cells transcription occurs in the nucleus, and translation occurs in the cytoplasm. 1 person found this useful. Edit.
In the first step, the information in DNA is transferred to a messenger () by way of a process called . During transcription, the DNA of a gene serves as a template for , and an called II catalyzes the formation of a pre-mRNA molecule, which is then processed to form mature mRNA (Figure 1). The resulting mRNA is a single-stranded copy of the gene, which next must be translated into a protein molecule. Figure 1: A gene is expressed through the processes of transcription and translation. During transcription, the enzyme RNA polymerase (green) uses DNA as a template to produce a pre-mRNA transcript (pink).