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Ducts of the Reproductive System

Number of chr...

Question

Number of chromosomes in secondary oocyte stage in humans is

A

23

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B

46

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C

18

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D

20

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Solution

The correct option is A 23
Primary oocyte is a diploid stage which undergoes meiosis to give rise to secondary oocyte and a polar body. This division leads to reduction in the number of chromosomes in the secondary oocyte. As a result, secondary oocyte contains 23 chromosomes and it is haploid in nature.

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