Edexcel IGCSE Biology 3.2 Fertilisation and Embryo Development Questions

Practise fertilisation and embryo development through sperm adaptations, reproductive structures, artificial insemination and zygote development.

Exam points

Describe fertilisation as sperm-egg fusion and identify where fertilisation usually occurs.
Explain how the acrosome and conditions affecting sperm movement influence the chance of fertilisation.
Describe artificial insemination as placing collected semen into the female reproductive tract to achieve fertilisation.
Explain how a zygote divides by mitosis and is placed in the uterus to develop into an embryo or fetus.
Explain why released eggs may not result in offspring, including failed fertilisation, no implantation or sperm not reaching the egg.

[Maximum number: 1]

The diagram shows the human female reproductive system.

Which label shows where fertilisation usually occurs?

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