Developmental biology is the study of the process by which organisms grow and develop. Originating in embryology, today developmental biology studies the genetic control of cell growth[?], differentiation and specialization into tissues and organs. The related field of evolutionary developmental biology was formed largely in the 1990s and is a synthesis of findings from molecular developmental biology and evolutionary biology[?] which considers the diversity of organismal form in an evolutionary context.
The findings of developmental biology can help to understand (or some day, cure) developmental malfunctions such as chromosomal aberration[?], for example, down syndrome. An understanding of the specialization of stem cells to specific tissues and organs could lead to the specific cloning of organs for medical purposes.