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Diplotene stage of prophase-I is charact...

Diplotene stage of prophase-I is characterised by

A

dissolution of synaptonemal complex

B

separation of synapsed homologous chromosomes except at the site of crossovers

C

formation of X-shaped structures called chiasmata

D

all of these

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The correct Answer is:
D
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NCERT FINGERTIPS-CELL CYCLE AND CELL DIVISION-Cell Cycle And Cell Division
  1. To build up food reserves in the cytoplasm, chromosomes become unfolde...

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  2. At which stage, the homologous chromosomes separate due to repulsion, ...

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  3. Diplotene stage of prophase-I is characterised by

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  4. (i) Thin thread like chromosomes with a beaded appearance (ii) Appea...

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  5. (i) Thin thread like chromosomes with a beaded appearance (ii) Appea...

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  6. Mathc the column I with column II and select the option from given cod...

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  7. Identify the given figures showing meiotic phases and select the corre...

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  8. The figure given below shows a cell undergoing meiosis. Which of ...

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  9. Disjunction refers to

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  10. Lampbrush chromosomes are seen in which typical stage?

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  11. Mathc column I with column II and select the correct option from the g...

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  12. During meiosis I, chromosome number

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  13. Refer to the given stages A,B,C and D of meiosis I and select the inco...

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  14. During meiosis I in humans, one of the daughter cells receives

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  15. The number of chromosomes is reduced to half during

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  16. Four different steps that occur during meiosis are given in the follow...

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  17. Select the incorrectly mathced pair.

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  18. Splitting of centromere and hence separation of chromatids occur durin...

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  19. If gametes are produced after reduction division, they are termed as

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  20. If 2n=4, then identify the figures A,B and C, as per the following cod...

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