Answer:
Is altered by mutation with time.
Step-by-step explanation:
The older the age more is the process of aging. The aging includes both physical and psychological. The cellular duplication is a process of cell division called mitosis that produces exact copies of the original ones. The mitochondrial DNA mutation with the age is a cause of ageing. The mutation in somatic cells causes decrease in the function of such cells. The somatic mutations are one of the cause of decreasing the ability of cells to make exact copy of it.
Thus, the concept of aging as a result of cellular duplication errors is based on the fact that the body's ability to make new cells that are exact copies of the original ones is altered by mutation with time.