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If the cell had diploid or 2n number of ...

If the cell had diploid or 2n number of chromosomes at `G_(1)` then
after S-phase the number of chromosomes will be_____

A

2 n

B

4 n

C

n

D

3n

Text Solution

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The correct Answer is:
A
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ALLEN-CELL BIOLOGY (CELL STRUCTURE, FUNCTION & CELL DIVISION)-EXERCISE-III(A) (NCERT BASED QUESTIONS)
  1. (a) Minute vesicles (b) Membrane bound ( c ) Contained enzymes (...

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  2. Which one is correct for G(0) stage ? I. It is a quiescent stage. ...

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  3. Which ot the following is not correctly matches a phase of the cell cy...

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  4. Mark incorrect statements :- (A) Meiosis involves only a single cycl...

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  5. Interval between mitosis and intiation of DNA replication is called :-

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  6. Diploid cell in human, where cell division does not occur :- (a) Hea...

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  7. The events shown below occur during different phases - A. Centromere...

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  8. Arrange the following events of meiosis in the correct sequence - A....

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  9. Identify the following diagram-

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  10. The drawing below shows a cell whose diploid chromosome number is four...

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  11. Label the structure indicated by (i), (ii), (iii) and (iv)-

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  12. A mouse cell is treated with a chemical that interferes with the activ...

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  13. Number of chromosome groups at equatorial plate of metaphase I of a pl...

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  14. How many meiotic divisions are required during the formation of 500 zz...

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  15. The number of chromatids in a chromosome at anaphase is

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  16. In which stage of cell division chromosomes are most condensed

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  17. If the cell had diploid or 2n number of chromosomes at G(1) then afte...

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  18. The following graphs (A and B) depicts changes in DNA Content during c...

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  19. In a diploid cell before S-phase quantity of DNA is 20 pico gram (pg) ...

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  20. During meiosis how cycles of nucleus division, DNA replication and div...

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