In English | En español
Questions About Cancer? 1-800-4-CANCER

NCI Dictionary of Genetics Terms

Page Options

  • Print This Page
  • Email This Document

splicing


The process by which introns, the noncoding regions of genes, are excised out of the primary messenger RNA transcript, and the exons (i.e., coding regions) are joined together to generate mature messenger RNA. The latter serves as the template for synthesis of a specific protein.