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In meiosis crossing over is initiated at...

In meiosis crossing over is initiated at

A

Diplotene

B

Pachytene

C

Leptotene

D

Zygotene

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The correct Answer is:
B
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MODERN PUBLICATION-CELL CYCLE AND CELL DIVISION-COMPETITION FILE (OBJECTIVE TYPE QUESTION)(A.MULTIPLE TYPE QUESTIONS (MCQS)):(FROM AIMPT &OTHER COMPETITIVE EXAMINATION)
  1. Nuclear envelope is a derivative of

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  2. A somatic cell that has just completed the S phase of its cells cycl...

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  3. Arrange the following events of meiosis in correct sequence (a) Cro...

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  4. The number of chromosomes in meiocyte (2n) in apple is

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  5. Some cells in adult animals do not divide. They exit no G, phase and e...

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  6. Which one of the following is the significance of mitosis

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  7. In a typical eukaryotic cell cycle, Gap-I synthesis and Gap-2 are thos...

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  8. Find the correct statement:

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  9. During cell growth, DNA synthesis occurs in:

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  10. Mechanism that causes a gene to move from one linkage group to another...

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  11. When cell has stalled DNA replication fork, which check-point should b...

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  12. Match the stages of meiosis in Column-I to their characteristic featur...

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  13. In meiosis crossing over is initiated at

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  14. Which of the following is not a characteristic feature during mitosis ...

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  15. Spindle fibres attach on to:

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  16. A cell at telophase stage is observed by a student in a plant brought ...

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  17. Which of the following options gives the correct sequence of events du...

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  18. Zygotic meiosis is characteristic of :-

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  19. Anaphase promoting complex (APC) is a protein degradation machinery ne...

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  20. The stage during which separatlon of paired homologous chromosomes beg...

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