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

 10182  194 AIPMTAIPMT 2014Cell Cycle and Cell Division Report Error

Solution:

In M-phase, both 4C and 2C of DNA are present in different stages. S phase marks the period during which the amount of DNA in the cell doubles. Thus, at G 2 ​ phase the amount of DNA is 4C. These doubled cellular contents prepare the cell to sustain in the further mitotic division.