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3.环境污染随着现代工农业的发展,环境污染也愈来愈严重,这些污染物质可引起细胞染色体的突变,也可直接影响胎婴儿的发育。如曾经轰动一时的日本水俣病就是一例。这是1953年日本水俣地区海湾发现的一种奇特疾病。患者轻则行步不稳,视野缩小,重则死亡;所生孩子常有小头、眼残缺等畸形;儿童时常见有智力低下、反应迟钝和性格变异等精神神经症状。以后经研究这是由于当地有一
3. Environmental pollution With the development of modern industry and agriculture, environmental pollution is also more and more serious, these pollutants can cause mutations in the cell chromosomes can also directly affect the baby’s baby’s development. One example is the Japanese Minamata disease that once hit the scene. This is a peculiar disease found in the Gulf of Japan in 1953 in Minamata region. Patients ranging from unsteady gait, narrowing the vision, weight is the death; children often have small heads, eyes and other deformities; children often have mental retardation, unresponsive and personality variation and other neurological symptoms. After the study this is due to a local one