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6. At which stage of mitosis do spindle fibres contract and pull chromatids apart?
- Prometaphase
- Metaphase
- Anaphase
- Telophase
7. At what stage does the blastocyst implant?
- Approx. 8 days
- 2 weeks
- Approx. 1 day
- 8 weeks
8. What develops within the epiblast?
- Chorionic cavity
- Amniotic cavity
- Primary yolk sac
- Bilaminar embryonic disc
9. The outer layer enclosing the blastocyst cavity is the...?
- Trophoblast
- Exoblast
- Endoblast
- Epiblast
10. What are the cells formed by the cleavage of a fertilised ovum known as?
- Blastocoeles
- Blastomeres
- Blastocytes
- Blastocysts