how many blood groups are there.. rare/common ones?

Answer 1

In order, from most common to least common:
O+
O-
A +
A-
B+
B-
AB+
AB-

O+ is the most common; AB- is the least common. However there are other blood factors that may make a match more difficult in some cases.

Answer 2

There are more than 20 genetically determined blood group systems but the one most often used is the ABO/Rh system. According to this system, there are 8 blood groups: A+, A-, B+, B-, AB+, AB-, O+ and O-. A+ is the most common and an AB type is the least common.
I hope this answers your question as I have tried to answer you according to the way it's worded.

Answer 3

i'm with teddybear - I did purchase the e book because i have self assurance in the medical idea behind the burden help application (maximum diets are crap, yet there is a few information to back up the blood form weight help application and the nutrition combining plans [now to not devour carbs and protein on a similar meal because each and each is processed a lot less efficiently even as they should be processed at the same time]), and that i did experience extra useful even as i became waiting to extra or a lot less persist with the plan. besides the undeniable fact that... i'm a lamb-, pink meat- and (maximum fairly) dairy-loving form A. In different words, i'm as efficiently out of success as a vegetarian form O, and couldn't persist with it for lengthy. it truly is been a lengthy time period for the reason that I opened the e book (I already have a really sturdy idea what I should not be eating), yet i visit't imagine how a vegetarian can make a form O weight help application artwork. P.S. once you've been feeling uncharacteristically slow those days, it truly is nice to attempt yet in a special way of eating, yet that would want to favor to no longer be an option to proper remedy. in case you haven't made any major differences on your habit (snoozing, eating, workout consultation, etc.) those days, you should bypass see your physician. you've gotten a difficulty (like hypothyroidism or an iron deficiency [the latter being a instantly ahead difficulty between vegetarians]) that calls for drugs/ supplements/ inspite of. sturdy success!

Answer 4

There are more than 20 genetically determined blood group systems known ... Many people also have a so called Rh factor on the red blood cell's surface. ...

Answer 5

to make it simple,it can be grouped in four simple group,then also the Rh/system further split it in to another four.which are negative and positive.in conclusion we have,
group O
group AB
group A
group B.
this groups can either be Rh/positive or negative.
there are other blood related systems,but the most common ones are this group of four and it's made into eight groups by the negative or the positive Rh/factor.

Answer 6

A, B, AB and O are the four blood groups although they split to 8 as each can be either rhesus posative or negative

Answer 7

I am group O RH D Negative have to carry a card.

Answer 8

In the mid-USA states, AB-neg is the MOST COMMON and O+ is the MOST RARE. This is primarily due to the act of SUPPLY / DEMAND over the years.

Answer 9

A, B, O, AB positive and negative O positive and negative B popsitive and negative

Answer 10

i am one of the least common and i am ab+ lol i always knew i was a bit strange lol