The cortical reaction of sea urchin eggs functions directly in the

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Quizplus · Accepted Answer

The cortical reaction of sea urchin eggs results in the formation of a fertilization envelope, which is necessary to prevent polyspermy by physically blocking the entry of additional sperm. This process involves the modification of the egg's extracellular matrix by the release of calcium ions from cortical granules, which triggers a series of biochemical events leading to the hardening of the fertilization envelope.

The Cortical Reaction of Sea Urchin Eggs Functions Directly in the