Which of the Following Statements Is the Most Accurate Explanation

Multiple Choice

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.