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At what phase of meiosis there are two cells, each with separated sister chromatids that have been moved to opposite spindle poles?
- a)Anaphase II
- b)Anaphase I
- c)Telophase II
- d)Telophase I
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
At what phase of meiosis there are two cells, each with separated sist...
Anaphase II, where the centromeres are cleaved, allows the kinetochores to pull the sister chromatids apart. The sister chromatids by convention are now called sister chromosomes and they are pulled towards opposte poles.
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At what phase of meiosis there are two cells, each with separated sist...
Anaphase II of Meiosis
Anaphase II is the stage of meiosis where there are two cells, each with separated sister chromatids that have been moved to opposite spindle poles.
Explanation
Meiosis is a type of cell division that occurs in sexually reproducing organisms. It involves two rounds of division, meiosis I and meiosis II, which produce four haploid cells from a single diploid cell. During meiosis II, the sister chromatids of each chromosome are separated and pulled to opposite poles of the cell.
Anaphase II is the stage where the sister chromatids, which were separated in prophase II, are pulled apart by the spindle fibers and moved to opposite poles of the cell. Once the sister chromatids are separated, they are considered individual chromosomes.
At the end of anaphase II, each pole of the cell has a complete set of chromosomes. The next stage is telophase II, where the nuclear envelope reforms around each set of chromosomes and the cell undergoes cytokinesis, dividing into two new cells.
Conclusion
Therefore, the correct answer to the question is option 'A', Anaphase II, as it is the stage of meiosis where there are two cells, each with separated sister chromatids that have been moved to opposite spindle poles.
Anaphase II is the stage of meiosis where there are two cells, each with separated sister chromatids that have been moved to opposite spindle poles.
Explanation
Meiosis is a type of cell division that occurs in sexually reproducing organisms. It involves two rounds of division, meiosis I and meiosis II, which produce four haploid cells from a single diploid cell. During meiosis II, the sister chromatids of each chromosome are separated and pulled to opposite poles of the cell.
Anaphase II is the stage where the sister chromatids, which were separated in prophase II, are pulled apart by the spindle fibers and moved to opposite poles of the cell. Once the sister chromatids are separated, they are considered individual chromosomes.
At the end of anaphase II, each pole of the cell has a complete set of chromosomes. The next stage is telophase II, where the nuclear envelope reforms around each set of chromosomes and the cell undergoes cytokinesis, dividing into two new cells.
Conclusion
Therefore, the correct answer to the question is option 'A', Anaphase II, as it is the stage of meiosis where there are two cells, each with separated sister chromatids that have been moved to opposite spindle poles.
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