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: Molecular genetics



Possible mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 400 Mastery points!

About this unit

DNA serves as the genetic material for all living organisms. Learn more about the structure and synthesis of this remarkable molecule, and how genes in your DNA provide instructions for building proteins.
Biology is brought to you with support from the Amgen Foundation