The adoptees grew up to achieve adult weights that were more similar to their biological parents than their adoptive parents, indicating the influence of a person’s genetic makeup in determining body weight.

【参考答案】

被收养的孩子达到成人的体重后，他们更象他们的亲生父母而不是他们的养父母，这表明一个人基因构成的影响决定着一个人的体重。