Which of the following statements is the most accurate explanation of the role of genetics in obesity?
A) Genes only indirectly contribute to obesity, in that a specific gene seems to be responsible for setting an individual's basal metabolic rate.
B) Even in families in which two or more relatives are obese, the obesity is caused by environmental factors and lifestyle choices, not by genetic factors.
C) Genetics may predispose some people to becoming obese, but environmental factors, such as excessive calorie intake, are still required for obesity to occur.
D) Almost all cases of obesity are caused by genetic factors.

Question

Quizplus · Accepted Answer

Genetics may make some individuals more susceptible to becoming obese, but environmental factors, such as unhealthy diets and a lack of physical activity, are necessary for obesity to occur. Studies have found that genetics may account for 40-70% of an individual's risk for obesity, but lifestyle factors play a major role in determining one's body weight.

Which of the Following Statements Is the Most Accurate Explanation