Indulge In Sweet Bliss: Send Chocolates...
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No best answer has yet been selected by jannyneve. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.The rhesus antigen is sometimes represented as A++, if the positive antigen has been inherited from both parents. If the blood has a negative and a positive antigen, it is still denoted as positive, in strictness it should be A+ -.
A+ is used as shorthand for either of these cases.
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