Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 1 - 1.4 - Concept Check - Page 24: 2


Since the gene that causes sickle-cell disease has been shown to offer protection from malaria and since malaria is more rampant in sub-Saharan Africa, natural selection may have been a key factor for this gene to be prevalent in the residents of sub-Saharan Africa.
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