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Which of the following stages of meiosis involves division of centromere? [2021]
- a)Anaphase II
- b)Telophase II
- c)Metaphase I
- d)Metaphase II
Correct answer is option 'A'. Can you explain this answer?
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Which of the following stages of meiosis involves division of centrome...
Anaphase II: It begins with the simultaneous splitting of the centromere of each chromosome (which was holding the sister chromatids together), allowing them to move toward opposite poles of the cell by shortening of microtubules attached to kinetochores.
Most Upvoted Answer
Which of the following stages of meiosis involves division of centrome...
Anaphase II involves division of centromere during meiosis.
Explanation:
Meiosis is the process of cell division that results in the formation of four haploid cells from a diploid cell. It consists of two main stages, meiosis I and meiosis II. Meiosis I involves the separation of homologous chromosomes while meiosis II involves the separation of sister chromatids.
During anaphase II, the sister chromatids are pulled apart by the spindle fibers attached to their centromeres. The centromere is the region of the chromosome that holds the two sister chromatids together. Once the centromere divides, the sister chromatids become individual chromosomes and are pulled towards opposite poles of the cell. This results in the formation of four haploid cells, each with a single set of chromosomes.
Therefore, the correct answer is option A, Anaphase II involves division of centromere during meiosis.
Explanation:
Meiosis is the process of cell division that results in the formation of four haploid cells from a diploid cell. It consists of two main stages, meiosis I and meiosis II. Meiosis I involves the separation of homologous chromosomes while meiosis II involves the separation of sister chromatids.
During anaphase II, the sister chromatids are pulled apart by the spindle fibers attached to their centromeres. The centromere is the region of the chromosome that holds the two sister chromatids together. Once the centromere divides, the sister chromatids become individual chromosomes and are pulled towards opposite poles of the cell. This results in the formation of four haploid cells, each with a single set of chromosomes.
Therefore, the correct answer is option A, Anaphase II involves division of centromere during meiosis.
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Which of the following stages of meiosis involves division of centromere? [2021]a)Anaphase IIb)Telophase IIc)Metaphase Id)Metaphase IICorrect answer is option 'A'. Can you explain this answer?
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