Introns and Exons

Definition

Introns are non-coding sequences within genes that are removed during RNA processing, while exons are coding sequences that remain in the mature mRNA and code for proteins.

Related terms

Splicing:

The process by which introns are removed from pre-mRNA and exons are joined together to form mature mRNA.

Gene Expression:

The process by which information from a gene is used to create functional products like proteins.

Genome: All of an organism's genetic material.