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How does the ovum prevent multiple penetrations of sperm cells along it's periphery?
Wiki User
∙ 12y ago
as soon as a single sperm fertilises the ovum a change of composition takes place in ovum's outer layer forming zona pellucida which prevents the penetration of other sperms.
Wiki User
∙ 12y ago
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How does ovum prevent multiple penetrations of sperm cells along its periphery?
as soon as a single sperm fertilises the ovum a change of composition takes place in ovum's outer layer forming zona pellucida which prevents the penetration of other sperms.
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