Which of the Following Is Characteristic of Hemoglobin D Disease

question 48

Multiple Choice

Which of the following is characteristic of hemoglobin D disease?

• A) Most common variant in American blacks is HbD Punjab (HbD Los Angeles)
• B) Less than 0.02% frequency in American blacks
• C) Both homozygous and heterozygous states are asymptomatic
• D) Peripheral blood smear is unremarkable, except for a few target cells
• E) All of the above

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