Genetic, geographic & cultural factors that cause sickle-cell anemia

It is important to note that even genetic diseases are caused by multiple social, environmental and biological factors. This is particularly true in the case of sickle-cell anemia, a genetically inherited blood disorder usually found in people with West African ancestry (PBS 2001).  The following paper will summarize the genetic, geographic and cultural factors that contribute to the incidence of sickle-cell anemia and why this disease is called a “balanced polymorphism”. Continue reading