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Comment of the statement Meiosis enable...

Comment of the statement Meiosis enables the conservation of specific chromosome number of each species even though the process per se, results in reduction of chromosome number.

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ASSERTION TYPE QUESTIONS : These questions consist of two statements each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is correct explanation of Assertion. B. If both Assertion and Reason are true but Reason is not correct explanation of Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. . Assertion : If an endosperm cell of angiosperm contains 24 chromosomes, the number of chromosomes in each cell of rootwill be 16. Reason : As endosperm is triploid and root cells are diploid, the chromosome number in each of root cell will be 16.

MODERN PUBLICATION-CELL CYCLE AND CELL DIVISION-EXAMPLE
  1. Name the pathological condition when uncontrolled cell division occurs...

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  2. Two events take place, During S-phase in animal cells. DNA replication...

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  3. Comment of the statement Meiosis enables the conservation of specific...

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  4. Name a cell that is found arrested in diplotene stage for months and y...

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

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  6. Comment on the statement 'Telophase is reverse of prophase'.

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  7. What are the various stages of meiotic prophase-I? Enumerate the chro...

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  8. Differentiate between events of mitosis and meiosis.

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  9. Define synaptonemal complex.

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  10. Write brief note on the following: Metaphase plate.

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  11. Write briefly the significance of mitosis and meiosis in multicellular...

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  12. presence of an additional copy of the chromosome number 21 is

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  13. Which events occur during S-phase of interphase?

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  14. What happens to a cell lying in G0 phase?

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  15. Explain: Importance and drawback of amniocentesis.

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  16. What are kinetochores? State their function

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  17. At which stage of Meiosis , reduction of chromosome number occurs?

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  18. What is mitotic apparatus?

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  19. What are phragmoplasts?

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  20. Name the stage of cell cycle of which synapsis takes place.

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