their personalities and talents as well? Will genetic enhancement ultimately lead to a split in the human species?In this brilliant, provocative, and necessary book, Lee M. Silver takes a cautiously optimistic look at the scientific advances that will allow us to engineer life in ways that were unimaginable just a few short years ago—indeed, in ways that go far beyond cloning. In clear, engaging, and accessible prose, Silver demystifies the science behind a myriad of thrilling and frightening new possibilities, in a book that is essential reading for anyone who wants to understand the hopes and dilemmas of the American family in the twenty-first century.

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