Understand the egg cells, and how they develop into a human being.
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Learn about the fertilization of an egg and sperm.
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Explore the different ways that animals and plants reproduce.
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The sperm and egg don't look anything like a human baby. After they come together, they will develop into a human being. How does a single cell become a complex organism made up of billions of cells? Keep reading to find out. Learn more about fertilization in this learning module produced by CK-12.
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This video segment from NOVA: "18 Ways to Make a Baby" describes a technique used to determine the health of a developing embryo. [3:35]
This set of exercises provides well written procedures and background for labs at basic and advanced levels.
Learn how a zygote, the single cell produced by fertilization, divides by mitosis to produce all the tissues of the human body (including germ cells, which can undergo meiosis to make sperm and eggs). [9:35]
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