Word: geneses
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One of those who entered the race was molecular biologist Martin Citron. In 1997, shortly after he moved from Harvard to Amgen, in Thousand Oaks, Calif., he and his team began a long, painstaking elimination process by inserting active human genes, in strings of 100 at a time, into living...
You reported the discovery that "at least some Neanderthals butchered, ate and disposed of their kin" [SCIENCE, Oct. 11]. Whether or not modern man acknowledges having some Neanderthal genes, there is ample evidence that cannibalism, a horror of history, has been widely practiced among many past populations and in the...
Are some people bad because of their genes? Or because of an unfavorable upbringing? In recent years, the highly charged nature-vs.-nurture debate has surged back and forth without resolution. Now neuroscientists at the University of Iowa report intriguing evidence that neither genes nor upbringing may be the full...
In pursuing an anti-homophobic politics, I find the quest for homosexuality's origins completely uninteresting. If queerness is biological, homophobes will abort proto-gay fetuses or correct "gay genes" and enlarged hypothalami; if it's constructed, they'll send their proto-gay children to therapy.
The genes in question were removed from the mice while they were in the embryonic stage, after in vitro fertilization. Once the mice were born, scientists injected massive amounts of malignant cells into the rodents. In each of the genetically altered mice, little or no blood flow was available to...