why is centriole absent in the ovum?
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The procimal centriole present in sperm is responsible for cleavage in zygote ,as ovum gas no centriole. There is centriole in 1° oocyte.Hence it undergoes meiosis 1 and forms 2° oocyte and 1st polar body. But formed 2° oocyte lack centriole and hence arrested in metaphase II of meiosis II
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The procimal centriole present in sperm is responsible for cleavage in zygote ,as ovum gas no centriole. ... There is centriole in 1° oocyte...Hence it undergoes meiosis 1 and forms 2° oocyte and 1st polar body... But formed 2° oocyte lack centriole and hence arrested in metaphase II of meiosis II…
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