十九世纪下半叶遗传学开始发展,它使人意识到人性的构成除了社会文化的因素外,还确定存在着某种命定的力量。左拉,是自然主义文学理论的主要倡导者,对遗传方面的发掘则是新贡献。他相信,人性完全决定于遗传,缺点和恶痹是家族中某一成员在宫能上患有疾病的结果,这种疾病代代相传。遗传问题对于人的精神和感情行为有巨大的影响,我们将会明了人这架单个机器如何运传, Genetics began to develop in the second half of the nineteenth century, and it made people realize that in addition to social and cultural factors, the composition of human nature has determined that there exists some kind of destiny force. Zola, the main advocate of naturalistic literary theory, is a new contribution to the genetic aspects of the excavation. He believes that human nature is entirely determined by heredity, shortcomings and bad habits as a result of the disease that a member of the family has on the palace, which is transmitted from generation to generation. Genetic problems have a huge impact on people’s mental and emotional behavior, and we will understand how this single machine is transported,