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A member asked:

What number of different types of hemoglobin do humans have?

A doctor has provided 1 answer

A few hundred: Normal hemoglobins in adults are Hb A, Hb A2, and Fetal hemoglobin. The common variant ones are Hb S, C, D, E, O, and G.

Answered 7/27/2014

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People also searched for:

What is the normal hemoglobin of human being?
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So hemoglobin floats freely in the blood plasma where it imparts the red color to human blood?
True or false: iron in hemoglobin molecules which are found inside of red blood cells give human blood its red color? Pleaseeeee help. Thanks
Since plasma is straw-yellow in color when no red blood cells are present, wouldn't it be true to say that red blood cells (and the hemoglobin contained within them) give human blood its red color?

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