About Sickle Cell Disease and Biocultural…
About Sickle Cell Disease and Biocultural Evolution,see question on the file. Question.doc Download Attachment This is an unformatted preview. Please download the attached document for the original format. Question 1:Why is sickle cell anemia more common in certain regions of the world? What is the link between the sickle-cell, malaria and human alteration of the environment? Question 2:Looking to the future, what factors (environmental, genetic, or social) could cause alteration in frequencies of the sickle cell in human populations? What changes to the sickle-cell allele do you envision as most likely, and why? Instructions Explore sickle cell disease and its evolutionary basis in greater depth by reading information from the web sites below. Also, make sure to consult pages 317-320 of your textbook for a discussion of the topic. Symptoms and Genetics of Sickle Cell Disease http://ghr.nlm.nih.gov/condition/sickle-cell-disease A Mutation Story (PBS Evolution Library) http://www.pbs.org/wgbh/evolution/library/01/2/l_012_02.html New York Times article on the evolution of the sickle cell allele http://www.nytimes.com/2001/06/22/us/gene-study-dates-malaria-to-the-advent-of-farming.html? scp=5&sq=sickle%20cell%20anemia%20malaria&st=cse