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Title: Fascinating Topic, Difficlut Read
Review: Margulis and Sagan's theory of how organisms share genetic material to create new species is worth considering. Sadly, instead of giving us the theory, the evidence and the implications in a coherent flow, the book is staggers from one topic to another, oftentimes leaving you to wonder what any paragraph has to do with the one before it or, for that matter, the subject of the book. These many discontinuites make this a difficult read. In addition, the authors use many terms which the lay reader may not know, and which do not appear in their limited glossary. In the first ten pages of the book I ran across polyploid, archaebacterium, eubactierium, and karyotic fissioning (which the authors promise to explain in chapter 12!). The diagrams are also disappointing, including one which gives a color code for a black and white diagram.
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