If two parents whose blood types are both b produce a child that has blood type o, what can you say about the parents genotype?

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.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?