WHAT'S THE RAREST BLOOD TYPE

Question

WHAT'S THE RAREST BLOOD TYPE

Answer 1

I think its AB+

Answer 2

AB negative is the rarest but, from the point of view of blood transfusions, type O can only receive blood from type O donors. All other types can receive their own type and O. So, group O is most in demand for blood transfusions and, therefore, the rarest for blood transfusions.

Answer 3

O positive

Answer 4

O+ & O- ARE USUALLY RARE

Answer 5

ROYAL

Answer 6

The "Bombay phenotype."  This is a rare mutation of an enzyme in the pathway leading to synthesis of the antigens.  See the link.

http://en.wikipedia.org/wiki/Hh_antigen_...

Answer 7

AB Negative.  

Rhesus negative is recessive, and rarer than positive.  

Answer 8

One of the O's I think. Can't remember if it's the positive or negative one....... it could be both.