民间有句俚语:“种瓜得瓜,种豆得豆。”它形象说明了父母的特征可以通过体内的遗传物质传递给孩子,使孩子在形态、性格及生理上表现出与父母相似的特征,这就叫做遗传。然而,有些父母的遗传物质(基因)存在着缺陷,传递给子代就会生出患有遗传病的孩子。目前,虽然越来越多的遗传病被发现,也找到 Folk slang: “The seeds are melon and beans are beans.” The image shows that the characteristics of parents can be passed on to their children through genetic material in the body, so that the child can behave similarly in form, character and physiology to the parents The characteristics of this is called genetic. However, some parents have deficiencies in their genetic material (genes) that are passed on to offspring to give birth to children with genetic diseases. At present, although more and more genetic diseases are found, they are also found