Tag Archives: sex

10.1 Meiosis

10.1 meiosis from Bob Smullen

Here are some fantastic animated tutorials about Meiosis from McGraw Hill Education – how Meiosis works, the stages of Meiosis, Meiosis I, Meiosis II, Crossing-over, Independent Assortment & unique features of Meiosis.

From Sinauer Associates comes an animated, narrated tutorial on Independent Assortment which also includes a quiz; there’s also one on Independent Assortment & gamete diversity (with a quiz) and one on mistakes in meiosis – nondisjunction.

Mr. Andersen uses chromosome beads to simulate both Mitosis and Meiosis:





Independent Assortment & Segregation (click to enlarge)

11.4 Sexual Reproduction

6.6. & 11.4 Reproduction from Bob Smullen

A Biologist’s Mother’s Day Song (3m 50s):

Paul Andersen describes The Reproductive System in 9m.

Fantastic animated tutorials from McGraw Hill Education – spermatogenesis &  the  maturation of the oocyte & follicle.

In Crash Course Biology #34 – The Reproductive System: How Gonads Go, Hank lets us in on the meaning of life, at least from a biological perspective – it’s reproduction.

B8.2 Sexual Reproduction in Plants

Plant reproduction from chduncan

B8.2 Revision Notes in downloadable word format.

Flower dissection by Mr Exham (Mr Exham.com):

A lesson on Plant Reproduction from Mr Dare:

Some TIMELAPSE videos:

A 3m 27s vid on Germination from Bitesize Top 20 Demos 

The beautiful tricks of flowers  – a 14m TED-Ed talk from Jonathan Drori, and here’s The Beauty of Pollination:


IGCSE Biology: Coursebook, chapter 13, pp.182 – 191

B8.3 Sexual Reproduction in Humans

Igcse biology edexcel 3.8 3.12 from Marcos Rodriguez

Right here, right now by Fatboy Slim and an animation that takes us from conception to just before birth.

B8.3 Revision Notes in downloadable word format.

Medical animations that include fertilisation, ovulation, labor and birth and here is ovulation captured on film for the first time.


Why do women have periods? – a 4m 45s TED-Ed video.


The Great Sperm Race Game.

The physics of sperm versus the physics of sperm whales – a fascinating animated vid from TED-Ed (4m 18s).


Here are some pregnancy illustrations and birth animations – aimed at expectant mothers.


Learn the differences between breast milk and baby formulas with tips from a registered nurse in this free video on family health.


Fantastic animated tutorials from McGraw Hill Education on HIV replication & how the HIV infection cycle works. This is much more detailed than you need.

Hans Rosling unveils new data visuals that untangle the risk factors of HIV. He argues that preventing transmissions – not drug treatments – is the key to ending the epidemic.


IGCSE Biology: Coursebook, chapter 13, pp. 169 – 177