A mutation in a major __________ receptor gene is responsible for about 6 percent of cases of severe obesity.
A)Leptin
B)Ghrelin
C)Cholecystokinin (CCK)
D)Melanocortin-4

Question

Quizplus · Accepted Answer

The mutation in the melanocortin-4 receptor gene (MC4R) is responsible for about 6 percent of cases of severe obesity. This gene plays a role in regulating appetite and energy balance. Mutations in other genes, such as leptin, ghrelin, and CCK, have also been linked to obesity, but they are not responsible for 6 percent of severe obesity cases.

A Mutation in a Major __________ Receptor Gene Is Responsible