Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Splicing refers to the removal of non-coding regions (introns) from pre-mRNA molecules and joining together of coding regions (exons) to produce mature mRNA.
Related terms
Intron: Non-coding regions within pre-mRNA that are removed during splicing.