十九世纪下半叶,在达尔文进化论“物竞天择、适者生存”的影响下,意识到人类作为生物界的一分子,同样受大自然的选择而进化。1883年英国生物学家高尔顿提出了“优生学”一词,其本意是“遗传缝康”,“生健康的孩子”。与此相反,导致遗传素质退化的则称为“劣生”。1960年美 In the second half of the 19th century, under the influence of Darwin’s theory of “natural selection and survival of the fittest”, Darwin first realized that human beings, as a member of the biological world, have also evolved by the choice of nature. In 1883, British biologist Galton proposed the word “eugenics,” which means “hereditary konjac” and “healthy children.” In contrast, what leads to the deterioration of the genetic quality is called “poor health.” 1960 beauty