What is genes verse environment when is comes to body fatSol

What is genes verse environment when is comes to body fat?

Solution

What is gene versus environment when is comes to body fat?

It has been believed for long that obesity can be controlled by controlling the intake of food and by burning calories by exercise. However, people practicing this were usually disappointed and concluded that the factors, other than food and calories also contribute to the obesity. Moreover, obesity was always found associated with the family history.

The body fat is found to be controlled by both environment and genes. The body fat has evolutionary significance. Higher fat is selected by the nature to cope with famine and other natural calamities. Various genes are known to regulate obesity such as Tripeptidyl peptidase II gene is known to stimulate the synthesis of new fat cells; G-protein, Rectifying K+ Channel gene is involved in food regulation and energy expenditure; and Stearoyl-CoA-desaturase hinders with the fat burning and promotes fat storage.

It may be worth mentioning over here that recently gut bacteria is found to be an important of obesity in humans.