New Coverage of Epigenetics in Chapter 5. Extensions and Modifications of Basic Principles.
Updates to data, and to illustrations of structures and mechanisms throughout.
Introductory Stories for the chapters make genetics more relevant to the student and draw them into the material. Over one third of the introductory stories are new to the fourth edition.
Concept boxes identify and summarize important concepts throughout the chapter.
Concept Check questions allow students to quickly assess their understanding of the material just covered by answering either multiple choice or open-ended questions.
Connecting Concepts help students integrate new concepts with preceding material.