Multiple Choice
What is the basic hemoglobin defect in the thalassemias?
A) One of the globin chains has an amino acid substitution.
B) A structurally normal globin chain is absent or produced at lower levels.
C) Heme is produced at a lower concentration.
D) Iron is not incorporated into the protoporphyrin ring to form heme.
Correct Answer:
Verified
Correct Answer:
Verified
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