It is crucial tjthat the process of mitosis is error free. this is becca use otherwise healthy cells can

Mitosis is one of the precious processes. If it goes wrong then the results will be terrible as it can even bring death to the organism or uncontrollable mutation.

Mitosis is the process in which a cell replicates itself to produce a copy of it. As a result of mitosis, each cell carries the copies of the original cell’s DNA.  

The uncertain error in mitosis will cause a mutation which affect the amino acid sequence and further functions. This will lead to the cell cycle disruption that can lead to the formation of cancer cells that are uncontrollable in dividing itself.