Why Is Ab Negative Blood so Rare?

Answer

AB negative blood is rare because only 1% of the population have it. It is even harder to get this blood group in oriental countries like Hawaii, India, China and Australia. Those with AB- blood should try and donate at least thrice a year so as to save the lives of those in need.
Q&A Related to "Why Is Ab Negative Blood so Rare"
Rh negative is recessive, so you can only be AB- by having two parents who are also both negative. Further, neither parent can be O, since both A and B are dominant over O. And O
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They can receive blood from individuals of all blood groups but can donate blood
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Due to black babies having large penises.
http://wiki.answers.com/Q/Why_is_ab_blood_so_rare
Focus on donating plasma. AB negative blood has no antibodies other than the RhD antibody. It's "rare" but not valuable as a WHOLE blood donor. You can give the blood cells
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