Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement.

A

Thalassemia is due to less synthesis of globin molecules

B

Sickle cell anemia is due to a quantitative problem of globin molecules

C

Both are due to a qualitative defect in globin chain synthesis

D

Both are due to a quantitative defect in globin chain synthesis