Sickle cell anemia
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Sickle-Cell Anemia. • Homozygous Dominant ( HbA , HbA ) normal hemoglobin • Homozygous Recessive ( HbS , HbS ) abnormal hemoglobin • Heterozygous ( Hb A, Hb S) normal and abnormal hemoglobin normal hemoglobin more abundant.

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Sickle-Cell Anemia

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Sickle cell anemia

Sickle-Cell Anemia

• Homozygous Dominant (HbA, HbA)

  • normal hemoglobin

    • Homozygous Recessive (HbS, HbS)

  • abnormal hemoglobin

    • Heterozygous (Hb A, Hb S)

  • normal and abnormal hemoglobin

  • normal hemoglobin more abundant

Note: Hemoglobin is a protein in red blood cells carrying oxygen.


Clinical signs and symptoms

Clinical Signs and Symptoms

• Pain crises

• Acute chest syndrome (a life-threatening pneumonia-like illness)

• Cerebrovascular accidents

• Splenic and renal dysfunction

• Chronic anemia

• Susceptibility to infections


Malaria and sickle cell anemia map

Malaria and Sickle-Cell Anemia Map


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