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第一讲遗传病概说遗传病的概念遗传病是指人类遗传物质(染色体或基因)发生异常,而导致胎儿出生时或出生后,机体结构和功能异常的疾病。先天性疾病一般是指婴儿出生时已存在的病理现象。有些是遗传病,如唇裂、多指(趾),色盲,先天愚型等。但有些井非遗传病,如母亲在妊娠早期受到病毒感染(风疹病毒、麻疹病毒等)胎儿可能出现先天性心脏病等,这是由于胚胎发育时受到某些环境因素影响的结果。后天的遗传性疾病,如遗传性舞蹈病要到30～40岁,痛风要到30～50
Lecture on genetic diseases Overview of the concept of genetic disease Genetic disease refers to the human genetic material (chromosomes or genes) abnormalities, resulting in the birth of a fetus or after birth, the body structure and function disorders. Congenital disease generally refers to the pathological phenomena that have existed at the time of birth. Some are genetic diseases, such as cleft lip, multiple fingers (toe), color blindness, Down’s syndrome and so on. However, some non-genetic diseases, such as mothers infected with the virus during the first trimester of pregnancy (rubella virus, measles virus, etc.) fetus may appear congenital heart disease, which is due to embryonic development subject to certain environmental factors results. Acquired genetic disease, such as hereditary chorea to 30 to 40 years old, gout to 30 to 50