Reproduction involves the multiplication of cell for example the development of sex cell growth of young animal or plant into an adult all involves cell multiplication. In other to multiply cells undergo cell division. One cell divide into two , 2 divide to 4,4 into 8 etc. during cell division, there is a formation of a new cell component so that the daughter cell produce at the end are essentially similar to the parental cell. In cell division the chromosome occupied essential position.