Sickle Cell Disease Is Caused by a Genetic Mutation And

question 100

Multiple Choice

Sickle cell disease is caused by a genetic mutation and, when untreated, results in disability and early death. However, the mutation that causes sickle cell disease is associated with protection against malaria, especially early in life. As a result, you would expect to see sickle cell disease ____.

• A) eradicated as quickly as malaria is eradicated
• B) occur predominantly in populations that have historically low rates of malaria and similar diseases
• C) occur at similar rates in all populations, since malaria can be found anywhere mosquitoes, which transmit malaria, are found
• D) occur at higher rates among populations whose genetic heritage can be traces to areas with a high incidence of malaria

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