Word: geneses
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Differentiated cells, by contrast, have already become specialized, with some genes turned on and some turned off, making them into breast or liver or pancreas cells. Although a differentiated cell still contains all the genetic information needed to create a whole new creature, much of that information is suppressed. Nobody...
A reliable cloning technique for an animal that has such well understood genetics and reproduces so rapidly (up to five generations in a year) means that scientists will be able to study in detail the process by which genes turn on and turn off, and thus how cells become specialized...
Cows genetically engineered to produce valuable human proteins, for example, or pigs whose organs have been altered to remove proteins that trigger rejection after transplant operations, could be stamped out on an assembly line. Fast racehorses or blue-ribbon pets might be duplicated at will. In humans, both cancer and...
When students in Clementine Johnson's typing class began throwing books and dismantling typewriters six years ago, she didn't send anyone to detention. Instead she gleefully tossed back. Then, according to the Florida Times-Union, after the principal called her class unruly, she wrote a loopy letter describing the...
That announcement rankled Venter's many critics. At a scientific meeting at the Cold Spring Harbor Laboratory in New York, he was denounced as "the enemy." Some charged that he was not only trying to torpedo the Human Genome Project but was also maneuvering to become the Bill Gates of...