This book aims to understand the field of animal genetics. It has gained prominence due to the recent advances in this area. Animal genetics is predominantly a branch of biology although it borrows its elements from several disciplines such as life sciences, etc. It primarily studies heredity and variation in animals. It also delves into the core areas of genetics such as resistance to disease, morphological defects, underdevelopment of individual organs, trait inheritance, etc. The extensive content of this book provides the readers with a thorough understanding of the subject. Those in search of information to further their knowledge of this field will be greatly assisted by this book.