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问：遗传病有哪些特点？答：遗传病是指由于体内遗传物质的改变或缺陷而引起的疾病，可分为单基因遗传病、多基因遗传病和染色体病，一般具有四大特点。（ｌ）家族性这是指排除那些共同环境因素或传染引起的情况外，某类疾病在患者家族中的发病率比一般人高。不一定代代相...
Q: What are the characteristics of genetic disease? A: Genetic disease refers to the disease caused by changes or defects in the body’s genetic material can be divided into single genetic disease, polygenic disease and chromosomal disease, generally has four major characteristics. (L) familial This refers to the exclusion of those common environmental factors or infections caused by a group of diseases in the family of patients with a higher prevalence than the average person. Not necessarily from generation to generation ...