Across all weight classes, from very thin to very obese, children adopted at birth tend to resemble their biological parents more than their adoptive parents in body size.

Question

Quizplus · Accepted Answer

Numerous studies have found that genetic factors play a much stronger role than environmental factors in determining an individual's body size, regardless of their weight category. Adopted children tend to have body weight similar to their biological parents, even if they are raised in different environments or cultural contexts.

Across All Weight Classes, from Very Thin to Very Obese