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Why did the scientists work so hard at mapping the human genome?
Why did the scientists work so hard at mapping the human genome?
admin
2009-03-13
25
问题
Why did the scientists work so hard at mapping the human genome?
The Human Genome Project, a great $ 3 billion, 15-year task aimed at drawing the genetic map of humans, is now more than 90 percent complete. The scientific and medical communities are very excited about the chances genetic research provides for getting rid of diseases and prolonging human life. But those communities and policy makers are also careful about the scientific door they are opening as the project uncovers the mysteries of life.
For the last few years, the genetic advances in the fast developing field of biotechnology have provided materials for all kinds of work, but the developments of modern science in unlocking the secrets of human genetic code have opened a world of possibilities for human health, as well as for the population imagination.
While European and Japanese researchers are making rapid progress in decoding human DNA, the leading organization for genetic research in the Untied States, which began in 1990, is "unlocking the code" of the human body to learn how to defeat fatal diseases. Already, the Human Genome Project has become widely known and praised for finding the genes connected with as yet terrible diseases, and making progress toward separating the genes that show a sign of breast cancer or AIDS.
Once these genes are found and studied, researchers can develop new ways to attack infections, and genetic diseases. Medical companies are very interested in mapping the human genome; as they expect to develop a lot of new drugs for these illnesses.
选项
A、If the genes can be found, scientists can study many new ways to cure illnesses.
B、The United States began genetic research early in the 19th century.
C、Many medical companies show great interest in drawing the human genome map.
D、The scientists have made great progress in connecting some genes with the cancers.
答案
B
解析
由听力材料可知,美国于1990年开始开展基因研究工作,并非19世纪。所以本题的答案选B。
转载请注明原文地址:https://kaotiyun.com/show/f5Cd777K
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