Intelligence is measured in many ways. Many people assume intelligence comes from genetics, but on the contrary there are studies that show that intelligence is made up of both genetics and environmental factors. Studies have been done to by measuring a person's intelligence quotient, which is abbreviated to (IQ). Scientists ran these various studies and used family related and even adopted children and twins. After doing these studies, it does prove that (IQ) is made up by genetics and environmental. A person's way of living has a huge factor on how a person's intelligence is made up of. A person’s environment and genes influence each other, and it can be challenging to tease apart the effects of the environment from those of genetics.