Biology · GCSE · Reproduction & Genetics
DNA and the genome
gcse-biol-4-6-1-3Free11:20Heddy Score 2 of 7, below the standardPlays from youtube-nocookie.com. No YouTube cookies until you press play.
What you need to know
- A gene is a section of DNA that codes for one protein
- The order of bases sets the order of amino acids
- Proteins are made at ribosomes in the cytoplasm
In this clip
0:00–11:20DNA and the genomegcse-biol-4-6-1-3Heddy ScoreSeven checks every clip must pass before students see it: trusted, on the map, accurate, focused, accessible, safe, and proven by students.2/7, Below the standard
- Trusted source · passed. The creator's own upload, live and playable here.
- On the map · failed. A teacher watched it: it mainly teaches this map topic.
- Spec-true · not judged yet. Accurate, and right for the current UK specification.
- Focused · passed. One idea, short enough to watch in one go.
- Accessible · not judged yet. Good captions, clear sound and pictures.
- Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
- Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
Our students
How the Heddy Score worksNot enough students yet
Our own students' answers. These are what move ★7 Proven.Why we picked it
A clear explanation of transcription and translation for higher-tier separate-science students; the map has no protein-synthesis topic, so it is linked to DNA and the genome.
Cognito on YouTubechecked 2026-10-16