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DENVER, Colorado (AP) -- Challenging a scientific law of inheritance that has stood for 150 years, scientists say plants sometimes select better bits of DNA in order to develop normally even when their predecessors carried genetic flaws.
The conclusion by Purdue University molecular biologists contradicts at least some basic rules of plant evolution that were believed to be absolute since the mid-1800s since Austrian monk Gregor Mendel initially experimented with peas and saw that traits are passed on from one generation to the next. [continued]
http://www.cnn.com/2005/TECH/science/03/23/genetics.discovery.ap/index.html
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