AP BIOLOGY

Detailed explanation-1: -Behavior, environment, and genetic factors all have a role in causing people to be overweight and obese. Obesity results from the energy imbalance that occurs when a person consumes more calories than their body burns.

Detailed explanation-2: -Genetic influences Genes contribute to the causes of obesity in many ways, by affecting appetite, satiety (the sense of fullness), metabolism, food cravings, body-fat distribution, and the tendency to use eating as a way to cope with stress.

Detailed explanation-3: -Genes influence each individual’s behavioral and psychological characteristics, including intellectual ability, personality, and risk for mental illness-all of which have bearing on both parents and children within a family.

Detailed explanation-4: -Like most aspects of human behavior and cognition, intelligence is a complex trait that is influenced by both genetic and environmental factors.