This book embodies ten chapter,the language of the text is simple and the subject matter is fully illustrated. The book includes the most recent advances in molecular biology with special emphasis on topics link molecular technique, amimal biotechnology, cryopreservation, crop production throgh tissue culture, fermetation technology, signale cell protein etc. The other topics cover recent advances in gene biotechnology; enormous potential to genetical engineering and recombinant DNA technology and Bioniformatics.