Developmental Biology, twelfth edition, engages students and empowers instructors to effectively teach both the stable principles and the newest front-page research of this vast, complex, and multi-disciplinary field.

This much loved, well-illustrated, and remarkably well written textbook invigorates the classical insights of embryology with cutting edge material, and makes the most complex topics understandable to a new generation of students.

Designed with the undergraduate student in mind, this new, streamlined edition now contains studies of plant development, expanded coverage of regeneration, over a hundred new and revised illustrations, and deeply integrated active learning resources that build on the text's enthusiasm and accuracy. This is a text designed to make students become excited about how animals and plants develop their complex bodies from simple origins.

NEW TO THIS EDITION

• A focused and streamlined presentation of essential content highlights the important principles of each section

• New Further Development feature makes for easy distinction between foundational and advanced coverage in each chapter both in the text and online

• New content on plant development is now included throughout the book to help students appreciate common developmental principles across organisms

• A new introductory chapter encompasses the big picture and introduces common themes that students will encounter throughout the book

• An upgraded and comprehensive chapter on regeneration reflects the excitement of new discoveries in this expanding area of developmental biology

• Thoroughly updated chapters include important new studies on single cell transcriptomes, stem cell niches, cell communication during morphogenesis, fertilization, CRISPR technology, and the effects of global climate

• An upgraded illustration program includes more than 125 new and revised figures