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linhhh linhhh
wrote...
Posts: 449
4 years ago
Immediately after a sperm cell penetrates the ovum:

▸ cell differentiation begins.

▸ a critical developmental period - the period of the fetus - begins.

▸ the process of meiosis begins.

▸ the ovum becomes immediately resistant to other sperm cells.
Textbook 
Early Childhood Development: A Multicultural Perspective

Early Childhood Development: A Multicultural Perspective


Edition: 7th
Author:
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Replies
wrote...
4 years ago
the ovum becomes immediately resistant to other sperm cells.
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