从19世纪晚期开始，优生学家采用原始的遗传学观点来优化人类基因。
Starting in the late 19th century, eugenicists used primitive ideas about genetics to try to re-engineer the human race.
因为优生学背后的思想依然存在，许多资深遗传学家都指望，未来是一个基因工程决定一切的世界。
The thinking behind eugenics is still present. Many senior geneticists point to a genetically engineered future.
结婚前进行遗传咨询，是优生优育的要求，不仅提高人口素质，也会减少家庭和社会的负担。
Before marrying, undertake advisory hereditarily, it is the requirement of prepotent actor Yo, improve population quality not only, also can reduce the burden of family and society.
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