An example of a grad-school level question?
Which of the following events during meiosis contributes most to the variation within a species?

An example of a grad-school level question?
Scientists working for a company are testing a new medicine that they think will help heal damaged tissue. In which part of the company are the scientists working?

An example of a grad-school level question?
The systems of the human body work together. Which system works with the skeletal system by pulling on the bones to create movement?

An example of a grad-school level question?
A female dog is having puppies. She has black fur, brown eyes, and a curly tail. She can sit, bark, and roll over on command. Which set of traits can the female dog's puppies inherit?