F是医生,她的母亲也是医生。F刚刚生了孩子,当有经验的产科大夫告诉F,新生儿有点像“先天愚型”时,做母亲的喜悦顿时消失得无影无踪。孩子的父亲把刚出生3天的婴儿抱进了优生遗传室,我看了一眼孩子,心里便沉甸甸的,我又要做一次“法官”了。染色体核型分析证实了产科大夫的印象,不幸悄然降临到F的家庭。 “我们并非近亲结婚,身体健康,家族中没有遗传病,为何会生缺陷儿?”许多父母对此非常困惑。隐性遗传、基因突变、环境污染、孕妇缺乏某种营养素(如碘、叶酸等)或患宫内感染性疾病,这些难道不是 F is a doctor, her mother is also a doctor. F had just given birth to a child, and when an experienced maternity doctor told F that the newborn was a bit like a “fool ’, the joy of being a mom disappeared without a trace. The father of the child took the newborn 3-day-old baby into the Eugenics hereditary room. When I looked at the child, my heart was heavy and I had to do another ”judge“. Chromosomal karyotype analysis confirmed the impression of the obstetrician, unfortunately, quietly come to F’s family. ”We are not close relatives get married, good health, no genetic disease in the family, why birth defects? " Many parents are very confused. Hidden inheritance, genetic mutations, environmental pollution, lack of certain nutrients in pregnant women (such as iodine, folic acid, etc.) or intrauterine infection, are not these