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B positive blood type common or rare?
just wondering because thats my blood type...and i donated blood
18 Answers
- 1 decade agoFavorite Answer
Yes, its good you donated-- I have it too. It is somewhat rare in that it can only be homozygous dominant or heterozygous dominant to bloodtype O (which is recessive but very common). The commonness of bloodtypes in the following order: O, A, B, AB
--as a little girl I had a rare kidney disease, though it's slightly more complicated than what is written above, nobody in my family was able to give blood and I needed quite a bit of donor blood-- I was very sick, am 24 today, so I am thankful-- just so you know how useful it is...
---as a side note, it's most commonly found among populations in Asia!
- ?Lv 45 years ago
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Blood types sometimes cluster in certain ethnic groups geographically, but this varies due to intermingling. For example, in Sweden A blood types predominates, however you have B+. Your blood type is less common based on the population. Here's a list of blood type from most common to rare ranking based on world population: O+ 37% A+ 34% B+ 10% O- 6% A- 6% AB+ 4% B- 2% AB- 1%
- 1 decade ago
hooray for donating blood!
group O is the most common, followed by A, then B, and finally AB. You're not too common, but not too hard to find either.
i think a lot of people have the wrong idea about group O being rare. in fact more people are group O. the reason why it seems like we never have enough group O (esp. O negative) is because the same proportions of blood types are reflected in the hospital population and also because they are a universal donor type for red cells...so we use them for emergencies when we don't know what a patient's blood type is!
thanks for donating!
Source(s): i test the blood to make sure it's safe for you! :) transfusion services med tech. - How do you think about the answers? You can sign in to vote the answer.
- earwaxynessLv 61 decade ago
When you donate blood it's not just your blood type that can receive that blood. First, they can separate the blood into parts. When they separate it out and remove the plasma anyone can receive that, regardless of their blood type.
Also, someone who is B positive could receive your whole blood or someone who is AB positive. According to the Red Cross, B+ occurs in about 11% of people in the US. I have B+ as well!
- Anonymous1 decade ago
Common.