Typically, a lethal genetic disorder is very rare. Cystic fibrosis, on the other hand, is the most common potentially lethal genetic disorder among Caucasians. Describe one hypothesis explaining why this is the case.

What are two reasons for why a species might disappear from the fossil record?

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.