The present edition is updated according to the syllabus for undergraduates, recommended by the Medical Council of India. This examination-friendly-book written in simple to-the-point is also useful for postgraduates, immunologists and geneticists. Salient Features Revision in chapters on molecular genetics, chromosomal aberrations, modes of inheritance, population genetics, and genetic counselling to meet current advances in the field Inclusion of new features such as learning objectives facilitate to focus on important facts and key words that form SAQ's in examinationsAddition of new figures and improvement in earlier diagrams to support the utility of this book Additional Feature Complimentary access to enhanced e-book along with online videos.