Answer:
Telomeres, the ends of chromosomes, shorten as we age, but this process can be slowed through exercise
Explanation:
The following that demonstrates how aging can be influenced by heredity is "Telomeres, the ends of chromosomes, shorten as we age, but this process can be slowed through exercise"
Telomeres are known to be pieces of junk DNA which are usually found at the end of end of chromosomes. The length of telomeres shorten with age.They become shorter and shorter and gets to a point when the cells cannot divide without losing some pieces of DNA. When it shortens, it affects lifespan and health of an individual.
According to the genetic theory of aging, it is seen that genes determine lifespan.
Studies has revealed that exercises helps to lengthen telomeres and also helps the heart and lungs to function well.
