1. It is an equational division. The daughter cells are identical to each other and also to the parent cell in genetic constitution.

2. Mitosis helps in the survival of a species and continuation of its race. It gives a complete set of genetic information to each cell.

3. Mitosis is related to the growth of an individual from zygote to adult stage.

4. It helps in repairing of cells, healing of wounds and regeneration of body cells. 

5. It helps in maintaining a specific nucleocytoplasmic ratio in a cell.