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A member asked:
What causes the sickle cell trait?
A doctor has provided 1 answer
It is inherited: Hemoglobin (HGB) is a complicated chemical that is in the red blood cells and carries oxygen. We inherit one gene from each parent that makes one of the parts of HGB called beta chains. If we inherit a sickle beta chain gene from one parent and a normal beta chain gene from the other, we have sickle trait. If we inherit a sickle beta chain gene from both parents, we have sickle cell anemia.
Answered 11/30/2014
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