BIOS Instant Notes in Genetics, Fourth Edition, is the perfect text for undergraduates looking for a concise introduction to the subject, or a study guide to use before examinations. Each topic begins with a summary of essential facts−an ideal revision checklist−followed by a description of the subject that focuses on core information, with clear, simple diagrams that are easy for students to understand and recall in essays and exams.

Dr Ivor Hickey, Science Department, St Mary's University College, Belfast, UK.

Dr Hugh Fletcher, School of Biology and Biochemistry, The Queen's University of Belfast, UK.

Dr Paul Winter, Belfast City Hospital, Belfast, UK.