The second maturation division of the mammali | vedclass

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(B) In the mammalian ovum,the process of meiosis occurs during the maturation phase.Initially,the nucleus shifts towards the animal pole and undergoes

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Until after the ovum has been penetrated by a sperm

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(B) In the mammalian ovum,the process of meiosis occurs during the maturation phase.Initially,the nucleus shifts towards the animal pole and undergoes meiosis-$I$.The second meiotic division remains arrested at the metaphase-$II$ stage.It is only completed after the penetration of the ovum by a sperm during the process of fertilization.This division results in an unequal cytoplasmic cleavage,forming a large cell called the ootid (which contains almost all the cytoplasm) and a very small cell called the second polar body.

The second maturation division of the mammalian ovum occurs:

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