The programmed ageing theories propose the following viewpoint(s) regarding the ageing process:

The length of life is genetically programmed.
Molecular changes cause cells to age and lose their ability to divide and reproduce.
Ageing is programmed to start after the reproductive ability ends.
All of the above.
None of the above.

1 answer

The correct answer is:

All of the above.

Programmed aging theories suggest that the aging process is influenced by genetic factors, molecular changes, and that aging may be programmed to begin after reproductive capability ends.