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In meiosis, the chromosomes replicate du...

In meiosis, the chromosomes replicate during

A

Prophase

B

metaphase

C

anaphase

D

interphase

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AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks when chromosomes replicate during meiosis. This involves understanding the stages of meiosis and the cell cycle. 2. **Identifying the Cell Cycle Phases**: The cell cycle consists of interphase and the mitotic phase (M-phase). Interphase is further divided into three phases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2). 3. **Focusing on Interphase**: Chromosome replication, or DNA synthesis, occurs during interphase. This is the preparatory phase where the cell gets ready for division. 4. **Identifying the Specific Phase of Replication**: The actual replication of DNA occurs specifically during the S phase of interphase. This is where the chromosomes are duplicated. 5. **Conclusion**: Therefore, the answer to the question is that chromosomes replicate during interphase, specifically in the S phase. **Final Answer**: In meiosis, the chromosomes replicate during interphase, specifically in the S phase. ---
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Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place during meiosis-II.

ICSE-CELL CYCLE AND CELL DIVISION -REVIEW QUESTIONS (MULTIPLE CHOICE QUESTIONS) (CHOOSE THE CORRECT ANSWER):
  1. In meiosis I at equator, which of the following is found?

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  2. In mitotic metaphase, the centromeres of chromosomes remain directed t...

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  3. When synapsis is completed all along the chromosome, the'cell is said ...

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  4. The formation of structural and functional proteins, RNA and enzymes t...

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  5. During cell division, chromosome attaches with spindles at:

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  6. When does synapsis occur in meiosis?

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  7. Astral rays arise from

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  8. A diploid living organism develops from zygote undergoes which type of...

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  9. Synaptonemal complex is observed during cell division in

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  10. During G(1) phase of cell division

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  11. How many times a cell has to divide mitotically to produce 128 cells ?

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  12. In cell cycle, DNA replication occurs during

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  13. Crossing over that results in genetic recombination in higher organism...

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  14. Replication of centriole occurs during

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  15. How many mitotic divisions occur in a cell of root tip to form 256 cel...

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  16. In meiosis, chromosome number becomes:

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  17. In meiosis, synapsis occurs during

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  18. In meiosis, the chromosomes replicate during

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  19. Chromosomes are visible with chromatids at one of the following phases...

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  20. Which of the following sequence is a correct one for a meiotic cell cy...

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