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Fertilisation

Fertilisation

P648/0145

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Credit

PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY

Caption

Fertilisation. Light micrograph of two human egg cells surrounded by spermatozoa (sperm) prior to fertilisation. Each egg will be penetrated by a single sperm. The sperm's genetic material fuses with that of the egg, creating a zygote with the full 46 human chromosomes, 23 from each parent. Around each egg is the thick zona pellucida layer. Photographed at Cochin Hospital, Paris, France. Magnification unknown.

Release details

Model release not required. Property release not required.

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