More than 100 years ago, Dr. Karl Landsteiner discovered that not all red blood cells are alike. He found that, when different people's blood was mixed, it would often clump up and curdle, destroying ...

Several genes with varying inheritance patterns are involved in determining your blood type. The most significant gene is the ABO gene which determines your ABO blood type. Like many of your physical ...

Close up photo of female scientist holding a laboratory pipette and a blood sample tube for covid-19 in laboratory. She is wearing a protective suit, laboratory glasses, surgical mask and surgical ...