What is Chromosome

Development can be defined as a concept expressing biological growth and maturation starting from prenatal period and continuing until death. Development, which involves the transformations human beings go through from the zygote period to death, proceeds quite rapidly in some periods, and somehow still in some other periods. Development, which is considered as a whole together with the physical, cognitive, linguistic, social, and emotional growth areas, can be affected by many factors. These factors are expressed as heredity, hormones, and environment. This chapter, which moves from the understanding that a healthy society comprises of healthy individuals and determination of the factors affecting development, is of crucial importance in this regard. It is aimed to address and examine the factors affecting development.