【摘要】 由于医学科学的发展和进步，一些人类后天的疾病基本上得以控制，而遗传病和先 天畸形的发病率则逐渐提高，并逐渐显示出其重要性，要想提高人口素质，就要从控制和改变遗传因素的方面做起，了解遗传病的种类，发病原理，再利用现代的各种高新技术，找到和提出治疗的方法，如产前诊断、遗传工程等，从而达到预防和治疗遗传病的目的。更多还原

【Abstract】 As the medicine science develops and improves,some human acquired dis eases have been controlled on the whole.But the incidence of genetic diseases an d congenital malformation rises gradually and the importance of their treatments appears by degree.To improve population quality,it is necessary to begin with c ontrolling and changing genetic factor.That is ,we should understand the classif ication of the genetic diseases and their incidence mechanism before we use vari ous new technologies to find out and propose the ways of treatment such as anten atal diagnosis and gene project.Thus we can achieve our goal of taking precautio ns against and curing genetic diseases.更多还原