Meiosis, Germ Cells, and Fertilization
Meiosis, Germ Cells, and Fertilization
Meiosis, Germ Cells, and Fertilization
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• each chromosome is still composed of two sister chromatids held together<br />
at their centromeres.<br />
• At ovulation, the arrested secondary oocyte is released from the ovary,<br />
ready to be fertilized.<br />
• fertilization occurs, the cell completes meiosis, becoming a mature egg.<br />
• anaphase II, the large secondary oocyte divides to produce the mature egg<br />
(or ovum) <strong>and</strong> a second polar body<br />
• Because it is fertilized, it is also called a zygote.
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