A) Sickle cell anemia is due to a quantitative problem of globin molecules
B) Both are due to a qualitative defect in globin chain synthesis
C) Both are due to a quantitative defect in globin chain synthesis
D) Thalassemia is due to less synthesis of globin molecules
Correct Answer: D
Solution :
Thalassemia differs from sickle-cell anaemia in that the former is a quantitative problem of synthesizing too few globin molecules while the latter is a qualitative problem of synthesising an incorrectly functioning globin.
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