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Question

In normal healthy individuals , the percentage of adult and fetal haemoglobin, HbA : HbA2 : HbF is ____________.

A
96 : 2 : 2
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B
45 : 45 : 10
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C
50 : 45 : 5
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D
80 : 10 : 10
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Solution

The correct option is B 96 : 2 : 2
Healthy adult hemoglobin consists primarily of hemoglobin A (HbA), a very small amount (1.5-3.1% of all hemoglobin molecules) of hemoglobin A2 (HbA2), and a little amount (varies ranges between 0.6-2%) of fatal hemoglobin (HbF).
So, the correct option is A.

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