<span>A person must inherit two copies of a defective CF gene -- one copy from each parent -- to have the disease. People who inherit only one copy are considered CF carriers and do not have the disease, but they can pass their copy of the defective gene on to their children.</span>
The Skinner box allows experimenters to test animals without having to "re-load" the experiment, allowing the trainer to reinforce the animal with <u>operant conditioning</u> trials.
Explanation:
There are a number of behavior and actions shown by a particular specie when they are placed or position inside a given environment for the Skinner box it involve a animal which was constantly attempting to get its hands on the given bait.And that is why the following actions were termed as the operant conditioning.
They are formed by natural processes like anærobic decomposition. They contain energy from ancient photosynthesis. They can literally be around 650 million years old.