Which of the following is true regarding the genetics of obesity?

Question

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Twin studies have demonstrated a strong genetic component to obesity, with identical twins having a higher likelihood of both being obese compared to fraternal twins. A single gene is unlikely to be solely responsible for obesity, as it is a complex trait influenced by multiple genes and environmental factors. Adopted children tend to have a greater resemblance to their biological parents in regards to weight, rather than their adoptive parents. The risk of obesity is actually higher if one's parents are obese.

Which of the Following Is True Regarding the Genetics of Obesity