Word: dna
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...have decoded the entire human genome--all 140,000 or so genes that largely say who we are and which of 4,000 diseases our flesh is heir to. They will also have found exactly where common disease-causing errors lie along the genome's long, interlocked chains of DNA...
...drink, then heads to the bathroom. Before the toilet finishes flushing, its sensors have completed a urinalysis and stool test. The information is automatically patched through to a secure website that contains all her medical records. If anything alarming, such as a spot of blood or some defective DNA, shows up, both she and her physician will receive a health-care alert. By the same token, if she ever falls ill while traveling, doctors can instantly punch up her records, using her medical ID card to gain access...
Then there are the biological weapons. The 20th century saw the creation of great weapons based on the principles of nuclear physics; the 21st century will see great weapons based on the knowledge of DNA and the genetic code. During the 1980s, the Soviet Union used rudimentary genetic engineering to create incurable strains of Black Death (bubonic plague) that were resistant to drugs. This biotech Black Death was loaded into missile warheads aimed at the U.S. As biotechnology becomes more supple and powerful and as the genetic code of more organisms is unraveled, biologists will learn how to mix genes...
...blast of gamma rays that is the equivalent of thousands of lethal human doses--radiation so strong it cracks glass. Scientists have found "dead" radiodurans spores in Antarctica that have baked in UV light for 100 years. Yet when placed in a nutrient bath, the bug's DNA reassembles itself and proliferates. If radiodurans genes could be put into anthrax, they might produce an anthrax that's virtually impossible to kill. From a bioweaponeer's point of view, the future is bright...
...insist that a clone should not be eligible for citizenship, the argument won't fly. If you are human and born in the U.S., you're a citizen. A clone will be born in the conventional way, with a mother, a belly button and a full complement of human DNA...