Tag Archives: chromosome

7.2 Transcription & Gene Expression

BioKnowledgy 7.2 transcription and gene expression (AHL) from Chris Paine.

Find a video lesson on this sub-topic at Dan Rott videos.

Click on ‘The Central Dogma of Biochemistry’ to see an Interactive Animation from Wiley or click on ‘Protein Synthesis’ to see a different Interactive Animation from Wiley.

Fantastic animated tutorials from McGraw Hill Education – stages of Transcription, Exons & Introns & Transcription compared to DNA Replication.

Regulated Transcription in under 4 minutes from ndsuvirtualcell

Gene Regulation – a 10m video from Mr Andersen. He also explains Transcription & Translation in a 12m tutorial.

800px-MRNA.svg

3.3 Meiosis

IB Biology 3.3 meiosis from Bob Smullen

Mr. Andersen uses chromosome beads to simulate both Mitosis & Meiosis (11m 53s):

A short, simple animation to show meiosis and two animated, narrated tutorials – one from McGraw Hill Education – Mitosis & Meiosis compared and one from Sinauer Associates – Meiosis that also includes a quiz.

In Crash Course Biology #13 – Meiosis: Where the Sex Starts, Hank gets down to the nitty gritty about meiosis.

Here is Mr W’s Meiosis! Rap and here is Mitosis versus Meiosis RAP BATTLE (from Asap SCIENCE). Finally, Hitler gets confused by Meiosis.

To diagnose genetic (chromosomal) diseases in an unborn baby, there are two ways of taking samples – Amniocentesis or Chorionic Villus Sampling.