Number of chromosomes in secondary oocyte stage in humans is?

23

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46

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18

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20

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Solution

The correct option is B $23$
The primary oocyte is a diploid stage which divides meiotically to give rise to the secondary oocyte and a polar body. This division leads to a reduction in the number of chromosomes in the secondary oocyte stage and as a result, there are 23 chromosomes only and it is haploid in nature.
So, the correct option is '23'

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