Degeneration of polar body
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Meghna Thapar 5 years, 6 months ago
A polar body is a small haploid cell that is formed concomitantly as an egg cell during oogenesis, but generally does not have the ability to be fertilized. When certain diploid cells in animals undergo cytokinesis after meiosis to produce egg cells, they sometimes divide unevenly. Polar bodies form because the egg cell (oocyte) does not divide evenly. This is the type of cell division that results in haploid cells. The cell with more cytoplasm becomes a mature ovum while the polar body usually dissolves. The primary polar body also undergoes meiosis 2 and makes two secondary polar bodies.
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