According to WHO report ~15% of married couple worldwide are infertile. Of these, half of the causes are attributed due to male infertility. On the other end of the problem, lack of effective male contraception derails the family planning especially in the developing/underdeveloped countries. The social and emotional stress involved with infertility or with improper family planning is enormous. These underscore the need for basic research to understand the causes of infertility in both sexes. This book is a research work aimed at understanding the role of a protein named, PPP1gamma2 (PPP1CC2)...