6.6 Reproduction (Core)


Standard Level students Essential Biology 6.6 Reproduction (Click4Biology)

Higher Level students need to learn the Core material here and the HL material in 11.4. Your Essential Biology is combined (6.6 & 11.4 Reproduction).


ICT in IB Biology: Menstrual Cycle Hormones

Use this database and graph-plotting activity to chart the changes in menstrual cycle hormones of 20 women over 31 days. How does this compare the ‘standard’ graphs presented in the texts? How could you explain the results?

Hormones and interactions review: print and complete this concept map:


And some BioEthics cases on IVF:

Interesting case-study: family uses pre-implantation genetic diagnosis (PGD) to screen embryos for BRCA oncogenes. With IVF video. Wall Street Journal.

Australasian bioethics special: IVF

Vatican condemns IVF

Journal of Medical Ethics: State of the Debate

Octomom signs reality TV deal

The seedy side of sperm-banks – low regulation leads to one father with 150 kids.


Nobel Prize for Medicine 2010: Robert G. Edwards for IVF!


12 Weeks Pregnant! 3D Calendar

12 Weeks Pregnant! 3D Calendar

Further reading:

- Cause of pre-eclampsia discovered (link to enzymes and inhibition), from The Guardian

- A cartoon post on how the pill works, from Beatrice the Biologist.

- How the inventor of the pill changed the world for women, from the Guardian.

- Putting numbers into context, regarding success rates of IUDs, from BadScience.

- Great 3D Pregnancy calendar and loads of resources on being and getting pregnant, from ParentsConnect

- And another one from BabyCentre.com.


TOK/Ethics: How ultrasound changed the human sex ratio, by Mara Hvistendahl. A great excerpt from what looks to be a wonderful book. Read it!

But where do babies really come from?

Key terms: reproduction, gametes, FSH, follicle, LH, luteinizing, hormone, oestrogen, progesterone, testosterone, HCG, oxytocin, zygote, embryo, fetus, placenta, meiosis, fertilisation, menstrual cycle, menstruation, ovulation, endometrium, feedback, ivf, in-vitro.

  1. Excellent stuff here……well done

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