Sickle Cell Is a Codominant Disease,meaning That Heterozygotes Exhibit an Intermediate

question 15

Multiple Choice

Sickle cell is a codominant disease,meaning that heterozygotes exhibit an intermediate blood cell phenotype (a mixture of normal and sickle cells) due to the blend of hemoglobin tetramers in each red blood cell.Which of the following tetramer structures would you expect to find in a carrier of SCD?

• A)α₂βᴬ₂
• B)α₂βˢβᴬ
• C)α₂βˢ₂
• D)α₂βᴬ₂ and α₂βˢβᴬ
• E)α₂βᴬ₂ and α₂βˢβᴬ and α₂βˢ₂

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