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Help me please, A person which unknown blood group under ABO system, has suffered much blood loss is an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type offers blood donation without del

A person which unknown blood group under ABO system, has suffered much blood loss is an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type offers blood donation without delay. What would have been the type of blood group of the donor friend?

  • Option 1)

    Type B

  • Option 2)

    Type AB

  • Option 3)

    Type O

  • Option 4)

    Type A

 
Answers (3)
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'O' blood group is Universal Donor So, The answer is Opt. 3

Option 3 type O 

Type o blood group person is universal donor.. 

Bcoz they do not possess any antigen so transfusion of blood doesn't show any reaction

As learnt in

Genotypes of human blood types -

There are 6 genotypes of human ABO blood types resulting 4 blood groups. 

- wherein

Blood groups are A, AB, B, O

 

 Type O blood group is universal donor. 


Option 1)

Type B

This option is incorrect

Option 2)

Type AB

This option is incorrect

Option 3)

Type O

This option is correct

Option 4)

Type A

This option is incorrect

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