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How many chromosomes will the cell have ...

How many chromosomes will the cell have at `G_(1)`,after S and after M-phase respectively if it has 14 chromosomes at interphase

A

14,14,7

B

14,14,14

C

7,7,7

D

7,14,14

Text Solution

Verified by Experts

The correct Answer is:
B
Replication of DNA takes place at S-phase of cell cycle. The number of chromosomes reduced only in meiosis. So, the number remain 14,14 and 14 in `G_(1)`, after S and after M-phase.
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ARIHANT NEET-CELL CYCLE AND CELL DIVISION-Chapter Exercises (C) Medical entrances gallery (collection of questions asked in NEET & Various medical entrance exams)
  1. Select the corret matches (a) S-phase - DNA replication (b) Zygot...

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  2. The stage between two meiotic divisions is called

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  3. How many chromosomes will the cell have at G(1),after S and after M-ph...

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  4. Chromatid formation takes place in

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  5. Longest phase of meiosis is

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  6. Which of the protein is found in spindle fibres?

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  7. Which stages of cell division do the following figures A and B represe...

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  8. During meiosis I, the bivalent chromosomes clearly appear as tetrads d...

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  9. Which phase comes in between the G(1) and G(2) phase of cell cycle. Or...

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  10. During mitosis ER and nucleolus begin to disappear at

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  11. Synapsis occurs between :

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  12. Assertion: Reduction division occurs in anaphase-I. So there is no nee...

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  13. Given below is a schematic break-up of the phases/stages of cell cycle...

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  14. In meiosis-I, a bivalent is an association of

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  15. Replication of centriole occurs during

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  16. Crossing-over occurs in

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  17. Which of the following events occur during G(1)-phase?

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  18. The stage during which cell decides to et specialised is

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  19. Differentiated reserve cell remains at which stage?

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  20. Astral rays are formed of

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