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rosijanka [135]
4 years ago
12

At what point does the secondary oocyte complete meiosis?

Biology
1 answer:
sukhopar [10]4 years ago
4 0

Secondary oocyte will complete meiosis  when a sperm cell penetrates the oocyte membrane  (fertilization).

The oocyte (is arrested at an early stage of the first meiotic division as a primary oocyte. During each menstrual cycle, one the day before ovulation gonadotropin hormone (luteinizing hormone) stimulates completion of meiosis 1. After the meiosis 1, 2 haploid daughter cells are formed: one becomes the secondary oocyte the other forms the first polar body. Newly formed secondary oocyte starts meiosis 2 which arrests at metaphase which will continue after the fertilization.

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