There are more than 50,000 human genes, and scientists are working as rapidly as they can to identify the functions of each one. Right behind them are the biotechnology companies, and they are working as fast they can to patent those genetic processes that show commercial promise. Since 1981, the U.S. Patent and Trademark Office has approved 11,815 patents for genetically engineered substances. The human gene pool is vast, but limited. And by the time today's children see their grandchildren it is possiblethat every gene will be mapped and open for commercial exploitation.
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