Sickle-cell disease is a genetic disorder that causes red blood cells to become sickle-shaped. Explain the cause of sickle-cell disease and the effects of the disorder on patients.

Sickle cell anemia is caused by a change in genes that are involved in producing hemoglobin, an iron-rich compound found in RBCs.

effects are:

Anemia or decreased number of RBCs and oxygen

Irritability or fussiness in babies

Severe fatigue or tiredness

Frequent episodes of pain, also known as crises, in different parts of the body

Swelling of hands and feet, associated with pain

Frequent infections

Delayed growth noted in children and adults

Vision problems.

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oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean