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  • I have a doubt, kindly clarify. During which phase(s) of cell cycle, amound of DNA in a cell remains at 4C level ifthe intial amount is denoted as 2C?

During which phase(s) of cell cycle, amound of DNA in a cell remains at 4C level if the intial amount is denoted as 2C?

  • Option 1)

    G0 and G1

  • Option 2)

    G1 and S

  • Option 3)

    Only G2

  • Option 4)

    G2 and M

 

Answers (1)

As we learnt in

Phases of cell cycle - M phase -

The M-phase represents the phase when the actual cell division or mitosis occurs

.

- wherein

 

 

 

 After  duplication of DNA is S-phase (4C), it remains at same level at G2-M phase. At the end of M-phase it again gas back to 2C.


Option 1)

G0 and G1

Incorrect

Option 2)

G1 and S

Incorrect

Option 3)

Only G2

Incorrect

Option 4)

G2 and M

Correct

Posted by

Sabhrant Ambastha

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