Friday, November 14, 2008

Lamarckian evolution?
For example, Matthew Amway of Washington State University and his colleagues found that exposing pregnant rats to a chemical for killing fungus disrupted the epigenetic marks in the sperm of male embryos. The embryos developed into adult rats that suffered from defective sperm and other disorders, like cancer. The males passed down their altered epigenetic marks to their own offspring, which passed them down to yet another generation.

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