Splicing 1 topic · 2 sources Science› Biotechnology and GeneticsFood Biotechnology1. During the maturation of eukaryotic mRNA, the process that removes intron sequences and covalently joins exon sequences. Synonym: editing. 2. In recombinant DNA technology, the term refers to the ligation of two fragments of DNA together.UN Food and Agriculture Organization — Glossary of Biotechnology for Food and Agriculture CiteSee gene splicing.USDA CSREES — Glossary of Biotechnology Terms Cite