A condition in which the normal adult hemoglobin is partly or completely replaced by abnormal hemoglobin is known as
A) aplastic anemia.
B) sickle cell anemia.
C) thalassemia major.
D) iron-deficiency anemia.

Question

Quizplus · Accepted Answer

Sickle cell anemia is one of a group of diseases collectively called hemoglobinopathies,in which normal adult hemoglobin is replaced by an abnormal hemoglobin.Aplastic anemia is a lack of cellular elements being produced.Hemophilia refers to a group of bleeding disorders in which there is deficiency of one of the factors necessary for coagulation.Iron-deficiency anemia affects size and depth of color and does not involve an abnormal hemoglobin.

A Condition in Which the Normal Adult Hemoglobin Is Partly