1. What is skeptical observers' opinion on ancestry testing? 持怀疑态度的观察者们对血统检测的看法是什么？
2. It is probable that the nocturnal trades a way back in the ancestry of all mammals. 这种夜间的“交易”也许可以一直追溯到所有哺乳动物的祖先身上。
3. What we did in our ancestry was to produce more permanent natural coloring in our skin cells. 我们祖先所做的是在我们的皮肤细胞中产生更持久的天然色素。
4. Even fully paid-up members of the Enlightenment, people who would not for a moment deny humanity's simian ancestry, are often sceptical. 即使是完全信赖启蒙运动的成员，那些一刻也不否认人类猿类祖先的人们，也常常持怀疑态度。
5. In the paper, he and his colleagues used the example of cystic fibrosis, which is underdiagnosed in people of African ancestry because it is thought of as a "white" disease. 在这篇论文中，他和他的同事以囊胞性纤维化为例，它在非洲血统的人群中诊断不足，因为它被认为是一种“白人的”疾病。
