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Showing posts with the label rare
Is Blood Type O Negative Rare

Is Blood Type O Negative Rare

Additionally rh positive blood types are much more common than rh negative blood types which is an… Read more Is Blood Type O Negative Rare
Is Blood Type O Rare

Is Blood Type O Rare

Rhnull is the rarest of these. If a and b is introduced it will cause an immune response. Pin On… Read more Is Blood Type O Rare