In the United States, without having endemic malaria, the prevalence of sickle cell anaemia among the individuals of African ancestry is lower (about 0.twenty five%) than among people today in West Africa (about 4.0%) and is particularly falling. With out endemic malaria, the sickle mobile mutation is only disadvantageous and http://louisuhryg.pages10.com/5-Essential-Elements-For-Case-Study-Solution-20382746