The two resulting daughter cells would not be completely identical if divide first and then duplicate chromosomes.
The replication that occurs after division would generate mutations, which couldn't be repaired according to the parent cell. In this case, the genetic information would be inherited less accurately. This way of cell division would be disadvantageous for organisms and would likely be eliminated.
Normally before the cell divides completely, the chromosomes are duplicated identically and this division has several checkpoints to ensure that the process is going well. It is regulated by cyclin proteins. if it doesn't clear the checkpoint, it will not be allowed. So chromosome division is very well organized by the cell.
When the reverse happens, the chromosomal division may be collapsed incorporating mutations that are not gonna help the cells. when the cells get divided first.
Learn more about the cell cycle here:-https://brainly.com/question/7196669
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