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Select the correct option of haploid cel...

Select the correct option of haploid cells from the following groups :

A

Primary oocyte, Secondary oocyte, Spermatid

B

Secondary spermatocyte, First polar body, Ovum

C

Spermatogonia, Primary spermatocyte, Spermatid

D

Primary spermatocyte, Secondary spermatocyte, Second polar body

Text Solution

AI Generated Solution

The correct Answer is:
To determine the correct option of haploid cells from the given groups, we need to analyze each option based on the ploidy level of the cells involved. ### Step-by-Step Solution: 1. **Understanding Ploidy Levels**: - **Diploid (2N)**: Cells that have two sets of chromosomes (one from each parent). - **Haploid (N)**: Cells that have one set of chromosomes, typically seen in gametes (sperm and egg). 2. **Analyzing Each Option**: - **Option 1**: Primary oocyte, secondary oocyte, spermatid - Primary oocyte: Diploid (2N) - Secondary oocyte: Haploid (N) - Spermatid: Haploid (N) - **Conclusion**: This option contains both diploid and haploid cells. - **Option 2**: Secondary spermatocyte, 1st polar body, ovum - Secondary spermatocyte: Haploid (N) - 1st polar body: Haploid (N) - Ovum: Haploid (N) - **Conclusion**: All cells in this option are haploid. - **Option 3**: Spermatogonia, primary spermatocyte, spermatid - Spermatogonia: Diploid (2N) - Primary spermatocyte: Diploid (2N) - Spermatid: Haploid (N) - **Conclusion**: This option contains both diploid and haploid cells. - **Option 4**: Primary spermatocyte, secondary spermatocyte, second polar body - Primary spermatocyte: Diploid (2N) - Secondary spermatocyte: Haploid (N) - Second polar body: Haploid (N) - **Conclusion**: This option contains both diploid and haploid cells. 3. **Final Conclusion**: - The only option that contains exclusively haploid cells is **Option 2**: Secondary spermatocyte, 1st polar body, ovum. ### Answer: **Option 2** is the correct answer as it contains only haploid cells.
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