Question

absence of hemoglobin called​

Answer 1

Explanation:

Thalassemias differ in severity and in the type of globin chain that is deficient. The most common type in the United States is b thalassemia, also known as Mediterranean anemia in its mild form or Cooley's anemia in its severe form. A pair of genes controls the production of the b globin chain.

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Answer 2

Thalassemia...........