Scientists find exception to Mendel's law

French scientists say they've found mice with a mutant gene can defy the laws of genetic inheritance -- passing on traits even if the gene is absent.

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<p><a href="http://www.physorg.com/news67779829.html">Scientists find exception to Mendel's law</a></p> <p>French scientists say they've found mice with a mutant gene can defy the laws of genetic inheritance -- passing on traits even if the gene is absent. </p>