Elsa’s pediatrician suspects that she has thalassemia. Which of the following statements is true of thalassemia?   Thrombocytes tend to “stick together” and form blood clots.   Thalassemia is always caused by diet and environmental factors, not genetic makeup.   Thalassemia is also known as erythroblastic anemia and involves a reduced amount of hemoglobin in the blood.   Thalassemia is a type of hemophilia and is often hereditary in females.

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