Blood group systems

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'''Blood group''' (or '''blood type''') is a term used to clasify blood based on the presence or absence of a specific antigen on red blood cells surface. According to the International Society of Blood Transfusion, there are about 30 human blood group systems recognized so far<ref>http://ibgrl.blood.co.uk/isbt%20pages/isbt%20terminology%20pages/table%20of%20blood%20group%20systems.htm, Table of blood group systems, ISBT (August 2008). Retrieved on 15 November 2010.</ref>.<br>
 
'''Blood group''' (or '''blood type''') is a term used to clasify blood based on the presence or absence of a specific antigen on red blood cells surface. According to the International Society of Blood Transfusion, there are about 30 human blood group systems recognized so far<ref>http://ibgrl.blood.co.uk/isbt%20pages/isbt%20terminology%20pages/table%20of%20blood%20group%20systems.htm, Table of blood group systems, ISBT (August 2008). Retrieved on 15 November 2010.</ref>.<br>
  
== ABO blood group system<br> ==
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== ABO blood group system<br> ==
  
The most common blood group system being used nowadays is ABO blood group system. In this system, there are 4 classification of blood types. They are group A, B, AB and O. These groups are classified according to the presence or absence of ABO antigen. <br>
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The most common blood group system being used nowadays is ABO blood group system. In this system, there are 4 classification of blood types. They are group A, B, AB and O. These groups are classified according to the presence or absence of ABO antigen. <br>
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<br>
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{| cellspacing="1" cellpadding="1" border="1" style="width: 295px; height: 61px;"
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|-
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| [['''Phenotype''']]<br>
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| A<br>
 +
| B<br>
 +
| AB<br>
 +
| O<br>
 +
|-
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| [['''Genotype''']]<br>
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| AA or AO<br>
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| BB or BO<br>
 +
| AB<br>
 +
| OO<br>
 +
|}
 +
 
 +
<br>
  
 
== Rh blood group system<br> ==
 
== Rh blood group system<br> ==

Revision as of 17:57, 15 November 2010

Blood group (or blood type) is a term used to clasify blood based on the presence or absence of a specific antigen on red blood cells surface. According to the International Society of Blood Transfusion, there are about 30 human blood group systems recognized so far[1].

Contents

ABO blood group system

The most common blood group system being used nowadays is ABO blood group system. In this system, there are 4 classification of blood types. They are group A, B, AB and O. These groups are classified according to the presence or absence of ABO antigen.


'''Phenotype'''
A
B
AB
O
'''Genotype'''
AA or AO
BB or BO
AB
OO


Rh blood group system

Rh blood group system is the second most important system in determining blood groups. It is based on the presence or absence of D antigen on the red blood cells surface.

See also

References

  1. http://ibgrl.blood.co.uk/isbt%20pages/isbt%20terminology%20pages/table%20of%20blood%20group%20systems.htm, Table of blood group systems, ISBT (August 2008). Retrieved on 15 November 2010.

External links


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