Egg, sperm, and fertilization (video) | Khan Academy
https://www.khanacademy.org/science/high-school-biology/hs-human-body-systems/hs-the-reproductive-system/v/egg-sperm-and-fertilization
WEBSperm and egg cells are special sex cells for reproduction. Sperm cells are small, have a tail for movement, and carry male genetic material. The egg is large, round, and has a protective layer called the zona pellucida. During fertilization, sperm meets egg, and their genetic material combines. Created by Jeff Otjen. Questions. Tips & Thanks.
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