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
http://www.quora.com/Medicine-and-Healthcare/Why-i...
They can receive blood from individuals of all blood groups but can donate blood
http://www.chacha.com/question/why-is-ab-negative-...
1% or less. About 1% of the population has AB- blood. There are slight differences in the percentage from country to country but in the US and most other countries AB- is approximately
http://wiki.answers.com/Q/how_rare_is_ab_negative_...
It is the rarest type and Rh factor. Less than 1% about (0.7% of the population has this type and Rh factor. That comes to about 1 in 167 people.
http://answers.yahoo.com/question/index?qid=201301...
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