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31. What is chiasmata ? State its significance.

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32. Why is meiosis essential in sexually reproducing organisms ?

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33. How does cytokinesis in plant cells differ from that in animal cells?

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34. Distinguish between Metaphase I and Metaphase of mitosis.

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35. Draw diagram of mitosis.

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36. Draw the diagram of meiosis.

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37. What is the average cell cycle span for a mammalian cell ?

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38. Can there be mitosis without DNA replication in ‘S’ phase ?

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39. Can there be DNA replication without cell division.

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40. Distinguish between cytokinesis and karyokinesis.

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