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Polyspermy is when more than one sperm penetrate one egg during conception. Normally, there are blocks to polyspermy because humans are generally monospermic - only one sperm and one egg can create a viable zygote. Thus, there are biological blocks to polyspermy in humans.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoDeath of the embryo.
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