DNA

Khan Academy · 1.8M views · 2009 · 28:05

Open on YouTube

Evolution & geneticsother

Why the open web links it

Explains the structure, function, and role of DNA in genetics and heredity.

Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including stanford.edu, oup.com, libretexts.org, forensicmed.co.uk, shambles.net.