When is the polar body extruded from the oocy | vedclass

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(C) In humans,the secondary oocyte remains arrested at the $Metaphase-II$ stage of meiosis. The completion of meiosis-$II$ is triggered only when a sp

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After the entry of sperm and before the completion of fertilization

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(C) In humans,the secondary oocyte remains arrested at the $Metaphase-II$ stage of meiosis. The completion of meiosis-$II$ is triggered only when a sperm enters the secondary oocyte. Upon the entry of the sperm,the secondary oocyte completes its second meiotic division,resulting in the formation of a large haploid ovum (ootid) and a second polar body. Therefore,the extrusion of the second polar body occurs after the entry of the sperm but before the fusion of the male and female pronuclei (completion of fertilization).

When is the polar body extruded from the oocyte?

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