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Questions and Answers
What is the cause of thalassemias and related disorders?
What is the cause of thalassemias and related disorders?
- Defects in the regulatory portion of the globin genes (correct)
- Abnormal globin polypeptide chains
- Mutant genes that cause the production of normal hemoglobins
- Normal globin polypeptide chains
What happens to red blood cells in sickle cell anemia?
What happens to red blood cells in sickle cell anemia?
- They lose their deformability and hemolize easily (correct)
- They become larger and more flexible
- They become more resistant to sickling
- They become smaller and more rigid
What happens when an individual inherits identical abnormal genes from both parents?
What happens when an individual inherits identical abnormal genes from both parents?
- They become homozygous (correct)
- They become heterozygous
- They develop major thalassemia
- They develop minor thalassemia
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