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In human females, the second meiotic division is finalized only upon fertilization.

1. The second meiotic division finishes prior to fertilization.
2. The second meiotic division concludes after fertilization.
3. Human females do not undergo the second meiotic division.
4. The second meiotic division is completed during ovulation.

Correct answer: The second meiotic division concludes after fertilization.

Solution

In human females, the secondary oocyte is arrested in metaphase of meiosis-II and completes meiosis-II only after fertilization by a sperm.

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