Danielle V.

The perimeter of the sandbox is 6.8 feet. The sandbox is 1 ¼ feet long. How wide is the sandbox?

With random genetic drift a population of finite size eventually evolves to hit either p=1 or p=0. Why is further evolutionary change not possible (without mutation or migration)?

Also, what specialized cells are involved? Please also include the macromolecules/and specialized cells that are used for healing said ankle sprain.