Word: geneses
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None of those genetic variations are immediately life threatening. In fact, most of them have no apparent effect. The variants are not like the mutations most of us learned about in school--alterations that cause entire genes or series of genes to malfunction and that result in diseases like sickle...
In the case of genes, of course, the alphabet contains just four letters, or bases: A, T, C and G (for adenine, thymine, cytosine and guanine). "A gene has millions of bases," says Dr. Andrew Greenberg, director of the Obesity and Metabolism Laboratory at Tufts University. "We're trying to...
That's the tricky thing about this new, more individualized exploration of genetics. The effect of a polymorphism may vary depending on where in a gene it is found and the influence of other genes. And a particular alteration can have varying effects in different populations. For instance, a variant...
And what if you can't wait until the science is settled? Well, you could always turn to one of the start-up biotech firms that are providing limited genetic testing for about $250. "We have 19 genes we've identified that have a clear and defined response to diet...
Sciona's customers are going to have to wait a while for more comprehensive genetic exams. Researchers now have a good reference guide for the 25,000 or so genes of the human genome and the more than 3 million common variants that lurk within those genes. They still need...