The causes of the gender difference in autism are the genetic variation or the inherent factors of neurobiology. 这种性别差异的原因，显示自闭症的发症有其基因变异，以及神经生物学遗传因素所存在。
That doesn't mean that people with the FTO gene variation are destined for obesity, or that other genes aren't also involved. 这并不意味着人们认定与基因变异注定肥胖，或其他基因也没有涉及。
