Word: traites
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...just coincidence. The fact that 33 out of 40 pairs of gay brothers were found to share the same sequences of DNA in a particular part of the chromosome suggests that at least one gene related to homosexuality is located in that region. Homosexuality was the only trait that all 33 pairs shared; the brothers didn't all share the same eye color or shoe size or any other obvious characteristic. Nor, according to the study's principal author, Dean Hamer, were they all identifiably effeminate or, for that matter, all macho. They were diverse except for sexual orientation. Says...
...formally speaking. He was a wonderful arranger, with a stringent and finely honed eye for the needs and eccentricities of pictorial composition. But at the same time, his paintings don't suggest much feel for the movement and solidity of the body. His work prefers sociability to sensuality -- a trait shared by his friend Alex Katz. Porter painted few nudes; there are none in this show...
...deranged, genetic errors can rapidly accumulate. But the newly discovered defect is not in a damage- control gene. Instead, it seems to be a direct agent of damage that somehow unleashes wave upon wave of DNA mutations over the course of a lifetime. As a result, a single inherited trait leads to "tens of thousands of alterations throughout the genome," Vogelstein marvels...
Scientists are also trying to find inborn personality traits that might make people more physically aggressive. The tendency to be a thrill seeker may be one such characteristic. So might "a restless impulsiveness, an inability to defer gratification," says psychologist Richard Herrnstein of Harvard, whose theories about the hereditary nature of intelligence stirred up a political storm in the 1970s. A high threshold for anxiety or fear may be another key trait. According to psychologist Jerome Kagan, also of Harvard, such people tend to have a "special biology," with lower-than-average heart rates and blood pressure...
...disease is inherited as a dominant trait, which means that children of a parent with Huntington's are at a 50 percent risk of being affected...