Physical Fitness <u>is very important in a person's life.</u> Physically fit people are much more productive & successful in their life, not only that; they hold a lot of health benefits over the people who are not fit. They live their life to the full extent, and they don't have to worry about their health.
It would be your third option. because if you look at the reproductive system both the sperm and the egg carry different amounts of genetic information.
