Word: geneses
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Instrumental in Hamer's decision to switch fields was Charles Darwin's The Descent of Man, and Selection in Relation to Sex. "I was fascinated to learn that Darwin seemed so convinced that behavior was partially inherited," he remembers, "even though when he was writing, genes had not been discovered...
Unlike the genes that are responsible for physical traits, Hamer emphasizes, these genes do not cause people to become homosexuals, thrill-seeking rock climbers or anxiety-ridden worrywarts. The biology of personality is much more complicated than that. Rather, what genes appear to do, says Hamer, is subtly bias the...
Intriguing as these findings are, other experts caution that none has been unequivocally replicated by other research teams. Why? One possibility is that, despite all of Hamer's work, the links between these genes and these particular personality traits do not, in fact, exist. There is, however, another, more tantalizing...
Hunting down the genes that influence personality remains a dauntingly difficult business. Although DNA is constructed out of a mere four chemicals--adenine, guanine, cytosine, thymine--it can take as many as a million combinations to spell out a single human gene. Most of these genes vary from individual to...
How can this be? After all, as Hamer and Copeland observe in their book, "...genes are not switches that say 'shy' or 'outgoing' or 'happy' or 'sad.' Genes are simply chemicals that direct the combination of more chemicals." What genes do is order up the production of proteins in organs...