In oogenesis, completion of meiosis I results in the formation of

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large haploid secondary oocyte and a tiny first polar body

large diploid primary oocyte and a tiny first polar body

tiny haploid secondary oocyte and large second polar body

large diploid secondary oocyte and a tiny first polar body

answer is A.

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Detailed Solution

Primary oocyte within the tertiary follicle grows in size and completes its first meiotic division.

It is an unequal division resulting in the formation of a large haploid secondary oocyte and a tiny first polar body.

The secondary oocyte retains bulk of the cytoplasm (nutrient rich) of the primary oocyte.

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