The Germ Cell Cycle In Animals is a scientific book written by Robert William Hegner and published in 1914. The book explores the life cycle of germ cells in animals, which are the cells that give rise to eggs and sperm. Hegner delves into the process of gametogenesis, or the production of gametes, and the various stages of development that germ cells go through. He also discusses the role of hormones in regulating the germ cell cycle and the differences...