PHASE OF DEVELOPMENT

PHASE OF DEVELOPMENT Phases of development in humans and some animals which can also be referred to as ontogenesis has several stages and these stages are:  Gametogenesis: This is the first process leading to the development of a new individual. It starts before fertilization of the egg because the ripening of the egg and the formation of the spermatozoa creates the condition for embryology. View Complete Details at https://gistwheel.com/2017/08/03/phase-of-development/