Genetics has become an integral part of medical teaching at undergraduate and postgraduate levels. It is a science where conceptual and terminological changes occur every day. This book provides information about various aspects of human genetics in a brief, simple, comprehensive and yet interesting manner so as to sustain and drive the interest and enthusiasm of the reader. The two main parts of the book, Principles of Genetics and Applications of Genetics strive to provide current, relevant information in a clear and concise form. With updated text detailing new advances in DNA replication and gene expression, detailed illustrations and examples, chapter summaries and a comprehensive glossary, this book attempts to help the reader learn about and keep abreast with the changes in the fascinating field of genetics.