Genes are responsible for all the functions mentioned above in the cells. These cells are in contact with the environment continually. Activity of interest - Research the life span of the above 6 types of cells. Make a report using the scientific method and include a graph. Red Blood Cells have an average life span of 120 days.
Genes regulate all of the functions a cell needs in order to survive.
Those same genes will tell the red blood cell to pick up oxygen and carry it to other parts of your body. This is the really neat feature that makes them all a part of a bigger system. The cells of lens tissue in Caucasians continues to multiply too fast during your life. As a result the lens has too many cells in it, and many people need bifocals by age 50. Explore the genetic career of bloodtesting .