Sickle cell anemia is the likely inherited disorder in the child based on the provided CBC results.
Sickle cell anemia is the inherited disorder most likely present in a child with a CBC showing Hb 7 g/l, WBC 0.2, and platelets 30. Sickle cell anemia is caused by inheriting two copies of the mutated gene for hemoglobin, resulting in abnormal red blood cells that can lead to severe anemia and other complications.
Thalassaemia is another inherited disorder related to abnormal hemoglobin synthesis, but based on the CBC results provided, sickle cell anemia is the most suitable match for the symptoms described.
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