The Frequency of Heterozygosity for the Sickle-Cell Anemia Allele Is

question 50

Multiple Choice

The frequency of heterozygosity for the sickle-cell anemia allele is unusually high, presumably because this reduces the frequency of malaria. Such a relationship is related to which of the following?

• A) Mendel's law of independent assortment
• B) Mendel's law of segregation
• C) Darwin's explanation of natural selection
• D) Darwin's observations of competition
• E) the malarial parasite changing the allele

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