But a state with two excellent universities has that - not two flagships. Flagship is a singular term - a good reference for the word generally can be found here. In this context, flagship means, as the introduction says, the leading comprehensive public research university in a given U.S. state.
During any pregnancy a small amount of the baby's blood can enter the mother's circulation. If the mother is Rh negative and the baby is Rh positive, the mother produces antibodies (including IgG) against the Rhesus D antigen on her baby's red blood cells.
If you are Rh positive, you can receive both positive and negative blood. If you are negative, you can only receive Rh negative blood. Rh incompatibility between a donor and transfusion patient is avoided by blood typing, but in some cases, expectant mothers can experience Rh incompatability. This happens when the father of the fetus is Rh+, the fetus is Rh+ and the mother is Rh-.