Question:
In humans, the secondary oocyte completes meiotic division when:
In humans, the secondary oocyte completes meiotic division when:
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The completion of the secondary oocyte’s meiotic division occurs during fertilization when the sperm enters the egg.
Updated On: Feb 20, 2025
- it gets implanted in the uterine endometrium.
- it is released from the matured Graafian follicle.
- it is penetrated by the sperm cell.
- acrosomal enzymes break down the zona pellucida.
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The Correct Option is C
Solution and Explanation
In humans, the secondary oocyte completes its second meiotic division only after it is penetrated by a sperm cell during fertilization. This step is critical for the oocyte to proceed to form a mature ovum.
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