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Jean Baptiste Lamarck

The Chemical Exposure That Keeps Going and Going and Going

Bill Chameides | Posted 08.04.2012 | Green
Bill Chameides

For many years it was thought that our genes were the whole game -- the stuff that determined our appearance, our aptitudes, and even our susceptibility to disease. But we now know it's more complicated than that. It turns out that not all of our genes are active. Some are turned "on" and others are turned "off."