A) Amitosis: It is a mechanism of cell proliferation which occurs without mitosis. In simple words, it is an unusual form of cell division in which both the nucleus and cytoplasm divides by constriction but there is no formation of chromosomes.
B) Mitosis: It is a kind of cell division in which two daughter cells are formed from the single parent cell and each of the daughter cells have equal amount of DNA as the parent cell.