Which of the Following Statements Is True

question 17

Multiple Choice

Which of the following statements is true?

• A) Individuals who contract malaria are more likely to also develop sickle-cell anemia.
• B) The sickle-cell allele is the result of a large deletion in the gene for hemoglobin.
• C) The distribution of the sickle-cell allele is the same throughout the world.
• D) Sickle-cell anemia is a dominantly inherited genetic disease.
• E) Carriers of the sickle-cell allele are more resistant to malaria than non-carriers.

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A fossil fuel consisting primarily of methane, used as an energy source for heating, cooking, and electricity generation.