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

Unit 5: Gene expression and regulation

400 possible mastery points

About this unit

In this unit, we’ll embark on a molecular adventure to unravel the connections between genes, proteins, and traits. We’ll learn about the elegant structure of DNA and its replication process, explore the roles of RNA and proteins in cellular function, and discover the intricacies of transcription and translation. We'll also investigate how mutations influence genetic outcomes.

Level up on the above skills and collect up to 160 Mastery points
Level up on the above skills and collect up to 160 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 400 Mastery points!
Biology is brought to you with support from the Amgen Foundation