Chapter 13 - Observing Patterns in Inherited Traits

If your blood type is A Rhesus negative (A-), it would be described as A Rh(D) negative (D gene is not present). So, we can now see that if you possess the D gene and are, therefore, Rh(D) positive, your blood will contain the D antigen which stimulates Rh(D) negative blood into producing antibodies (anti-Rh(D)) against it. ................
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