Sickle cell disease and selection
This web page gives details of an activity where students simulate the natural selection of the sickle cell alleles, using beans and a flipped coin. They should find that the sickle cell allele rapidly becomes more common where there is a high incidence of malarial infection, an example of natural selection in practice.
This activity has been produced by the Nuffield foundation in partnership with the Society of Biology (UK) and is found on the Nuffield foundation website.
The making of the fittest: Natural selection in humans: http://www.hhmi.org/biointeractive/making-fittest-natural-selection-humans (last accessed 24 February 2016).
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