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根据Mckusick(1978)的统计,已知的人类遗传疾病有2、735种。另据联合国辐射委员会的统计,全人类的遗传负荷为10.8％,我国可能还要高一些。其原因是我国人口迁移率低,群体隔离严重,加上抗菌素得到广泛应用和医疗卫生事业深入到农村,使表型的治癒或改善某些遗传性疾病得到可能,原来一部分夭折的人能够活到生殖年龄,还有近亲婚配等情况所致。全国约有3—4千万名患严重先天性遗传疾病者,每年估计有几十万名患遗传性疾病儿的出生。以上这些数字足以引起我们对遗传性疾病的重视。人类不仅能采用遗传学的原理和新方法来改造和创造新的物种,为何不能从遗传学的角度来改善人类本身呢?这就需要把优生
According to Mckusick (1978), there are 2,735 known human genetic diseases. According to the statistics of the UN Commission on Radiation, the genetic load of all mankind is 10.8%, and our country may be even higher. The reason for this is that the low population migration rate in our country and the serious segregation of groups have led to the widespread application of antibiotics and the deepening medical and health undertakings to rural areas, which have made it possible to cure phenotypes or improve certain hereditary diseases. Some people who died in the past could survive Reproductive age, as well as marriage and other inbreeding situation. About 3-4 million people in the country are suffering from serious genetic diseases of the genus, and hundreds of thousands of children born with hereditary diseases are estimated each year. These numbers are enough to arouse our attention to genetic diseases. Human beings can not only use genetics principles and new methods to transform and create new species, why not from the perspective of genetics to improve the human body itself? This requires the eugenics