1. Attachment of one DNA molecule to another. SYN: gene s.. 2. Removal of introns from mRNA precursors and the reattachment or annealing of exons. SYN: RNA s..
- alternative s. different ways of assembling exons to produce different mature mRNAs.
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splicing n the process that occurs chiefly in eukaryotic nuclei by which introns in an RNA transcript are removed and exons are joined to form functional messenger RNA also gene-splicing
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splic·ing (spliґsing) [Middle Dutch splissen] the joining together of two nucleic acid segments so as to form a new genetic combination; see DNA s. and RNA s.Medical dictionary. 2011.