A member asked:

Hello, i want to know if there is a defferances in the level of hemoglobin s in the people who has sickle cell trait ,,, ?

A doctor has provided 1 answer

Yes: There are variations in the expression of Hb S gene and the depending on additional factors the percentage of Hb S in a person with the trait may vary from about 20-70%. The additional factor generally is beta thalassemia trait in the cis or trans position to the Hb S gene.

Answered 11/27/2017

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