Malaria is caused by Plasmodium falciparum,a nonmotile protist that contains a cluster of microtubules at one end of the cell.Once injected into the bloodstream,these microtubules are used to attach to red blood cells.In areas of the world where malaria is endemic,people have a relatively high incidence of the allele for

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The sickle cell allele, when homozygous, confers resistance to malaria. Therefore, in areas where malaria is endemic, individuals with the sickle cell allele have a survival advantage, leading to a higher frequency of the allele in the population.

Malaria Is Caused by Plasmodium Falciparum,a Nonmotile Protist That Contains