Introns

**Definition:** Sequences of DNA in the genes that are located between the EXONS. They are transcribed along with the exons but are removed from the primary gene transcript by RNA SPLICING to leave mature RNA. Some introns code for separate genes.

**Tree numbers:** - G05.360.340.024.220.400 - G05.360.340.024.340.137.515

**Synonyms:** - Intervening Sequences - Sequences, Intervening