If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content
AP Bio: IST‑1 (EU), IST‑1.N (LO), IST‑1.N.2 (EK), IST‑1.N.3 (EK), IST‑1.N.4 (EK), IST‑1.N.5 (EK), IST‑1.N.6 (EK)
In transcription, the DNA sequence of a gene is transcribed (copied out) to make an RNA molecule.
Sort by:
Biology is brought to you with support from the Amgen Foundation