*What do our genes actually do? *What are the risks and benefits of genetically modifying plants and animals? *How can gene therapy cure disease? Answering all the key questions, addressing all the major issues, this is an indispensable introduction to the science that is changing our world. Outlining the way in which our genetic structure works, it provides all the information necessary for readers to form their own opinions on such important topics as gene therapy, genetic engineering, and genetically modified foods. Accessibly written, but based on expert knowledge and contemporary research, this book offers a step-by-step guide to the subject of genetics, covering: *Mendel's Laws and their implications *The function of genes *The structure of DNA *The human genome and DNA manipulation Illustrations and diagrams make concepts easy to follow, which a useful glossary explains all the key terms and ideas. For those wishing to join the debates that will decide our future, this Beginner's Guide to Genetics will prove a timely and authoritative handbook.