Lewin's GENES XII, Twelfth Edition Includes Navigate 2 Advantage Access comprehensive and interactive eBook with engaging animations, student practice activities and assessments, a full suite of instructor resources, and learning analytics reporting tools. Long considered the quintessential molecular biology textbook, for decades Lewin's GENES has provided the most modern presentation to this transformative and dynamic science. Now in its twelfth edition, this classic text continues to lead with new information and cutting-edge developments, covering gene structure, sequencing, organization, and expression. Leading scientists provide revisions and updates in their respective areas of study offering readers current research and relevant information on the rapidly changing subjects in molecular