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    Gene Frequency Calculation

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    If 9% of an African population is born with a severe form of sickle-cell anemia (ss), what percentage of the population will be more resistant to malaria because they are heterozygous (Ss) for the sickle-cell gene?

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    Solution Preview

    We can use the Hardy-Weinberg Equation, p2 + 2pq + q2 = 1,
    to calculate genotype frequencies from known phenotype ratios. The frequency of homozygous ...

    Solution Summary

    Gene frequency calculation based on percentage of population that is homozygous for recessive trait.