| Then the hemoglobin gene duplicated, and the copies differentiated into the forms known as alpha and beta. |
| With blood shortages for transfusions, companies are researching artificial blood, including human hemoglobin cultured in plant sap. |
| Counseling regarding the trait is important because the hemoglobin gene can be passed on to a carrier's child. |
| In the context of the affinity of hemoglobin for oxygen there are four primary regulators, each of which has a negative impact. |
| However, if the sickle hemoglobin S is combined with the target cell, some mild to moderate anemia may occur. |
| Because the syndrome is benign most individuals do not even know they carry a hemoglobin abnormality. |
