In sickle cell anaemia there is_____________?
Correct answer: A. 75 to 100% haemoglobins
- A. 75 to 100% haemoglobins
- B. 10 to 20% haemoglobins
- C. 20 to 30% haemoglobins
- D. 50 to 60% haemoglobins
Explanation
In sickle-cell anemia, HbS usually accounts for about 75 to 100% of hemoglobin, with little or no HbA because both beta-globin genes produce the sickle variant. The lower percentages are not typical of homozygous disease.
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