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Fertilisation

Diagram showing the steps in fertilisation.

Diagram showing the steps in fertilisation. The sperm attaches (1), binds (2) and penetrates (3) the zona pellucida. When the sperm fuses with the egg's membrane genetic material is released inside the egg. Fertilisation (4) occurs when the sperm's genetic material eventually combines with the egg's genetic material.

Rights: The University of Waikato Te Whare Wānanga o Waikato
Published:13 February 2009Size: 43.04 KB