随着医学科学的发展,原来严重威胁人类生命的一些传染病已得到控制,发病率大大下降,而遗传性疾病所占的比重日益突出。目前己发现的遗传病超过4000种,而且还在不断增加,不断发现新的病种,己知的综合征中也不断分出新的亚型,大约每100个新生儿中就有3～10个患有各种遗传病,遗传病可累及全身各个系统。 With the development of medical science, some infectious diseases that were originally a serious threat to human life have been brought under control and the incidence rate has dropped drastically while the proportion of genetic diseases has become increasingly prominent. At present, more than 4,000 genetic diseases have been discovered and are still increasing. New types of diseases are constantly found. New subtypes have also been continuously identified in known syndromes. About 3 to 10 out of every 100 newborns A variety of genetic diseases, genetic disease can affect the body of the various systems.