Plant genetics is a prominent field which focuses on heredity, inheritance and variations in plants. From theories to research to practical applications, case studies related to all contemporary topics of relevance in plant genetics have been included in this book. It provides significant information of this discipline by focusing on genetic engineering, GM crops, development of fast and reliable ozone screening method, cultivars and related fields. The chapters included herein primarily emphasize on application of biotechnology in crop plants. Coherent flow of topics, student-friendly language and extensive use of examples make this book an invaluable source of knowledge for students, researchers and academicians.