The use of biotechnology has been in existence long, ever since human beings and yeast for brewing and bacteria for products such as cheese and yoghurt. However, the wide-scale, technologically sophisticated use of the field has only been possible since the 20th century, where is has managed to carve a niche for itself in many arenas. This book, written as an introductory text aims to provide students with a useful, referral, which brings under its head terms, concepts and processes pertaining to the subject. Elaborating, upon what entails the subject, the book proceeds to cover all the important discoveries and breakthroughs in the field, alongwith an incisive book into its practices. In additions, it also covers current trends and practices, making the contents of the book more relevant and upto-date.