A root-and-branch rethinking of how history has shaped the science of genetics. In 1900, almost no one had heard of Gregor Mendel. Ten years later, he was famous as the father of a new science of heredity--genetics. Even today, Mendelian ideas serve as a standard point of entry for learning about genes. The message students receive is plain: the twenty-first century owes an enlightened understanding of how biological inheritance really...