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Why do the chromosomes become short and ...

Why do the chromosomes become short and thick in prophase?

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The correct Answer is:
It is physically easier for short,compact chromosomes to move through the cytoplasm than it is for the very long,twisted interphase chromosomes.
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PRADEEP-CELL CYCLE AND CELL DIVISION -ANALYTICAL QUESTIONS WITH ANSWERS
  1. What are mitogens? Cite atleast two examples.

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  2. what is interkinesis?

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  3. What is meant by the term congression in cell division?

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  4. Name atleast two flowers where polyploid varieties are common.

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  5. How does meiosis help in evolution?

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  6. How would you define cance? What is the technical term used for substa...

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  7. Give difference in the attachment of chromosomes to the spindle fibres...

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  8. What are tractile fibres?

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  9. Why is it not possible to shorten the cell cycle?

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  10. Why do the chromosomes become short and thick in prophase?

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  11. (a)What is meant by cell cycle?(b)In context of cell cycle,what is mea...

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  12. What happens during interphase?What is its duration.It iks divisible i...

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  13. (a)Why is mitosis also known as the equational division? (b)you are vi...

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  14. (a)In which is animal cytokinesis different from plant cytokinesis? (b...

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  15. (a)Differentiate between intranuclear and extranuclear mitosis.In whic...

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  16. (a)How many divisions take place in meiosis?How many times ,the chromo...

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  17. Study the following diagrams(depicting behaviour of chromosomes in mei...

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  18. fill in the blanks from the followin g word:Bivalent,synapsis,tetrad,d...

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  19. (a)What is the significance of meiosis-I? (b)Why meiosis-II is necessa...

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  20. Name the chemical which is used by plant breeders to induce polypoidy....

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