0 Question: What is the difference between AB Negative & AB Positive?? Keywords: blood group, blood type, negative, positive Asked by patrycjasiwek to Andrew on 19 Jun 2013.
Andrew Swale answered on 19 Jun 2013:
The negative and positive part refers to the absence or presence of something called ‘Rh antigens’
This link is really good for explaining all about blood types 🙂
http://en.wikipedia.org/wiki/Blood_type
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