In: Biology
what role does genetics play in regards to weight?
Science shows how the genes of a person born with have an impact on the body weight. Research indicates that an environment a person grew up in and the genetic makeup both have an impact on body weight. BMI, fat mass, leptin can affect an individuals body weight. Approximately 40-70% of body fatness attributes to genetic factors. Several studies evaluated genetic factors can contribute to obesity and it can cause specific obesity-related disorder such as Bardet Beidel syndrome and Prader-Will- syndrome. Although these genetic disorders are rare. For more than 99 percent of obese humans, the genetic basis of obesity is unknown.