NEET2011ZoologyPrinciples of Inheritance and VariationActual
A person with unknown blood group under A B O system, has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?
Options
- AType A B
- BType O
- CType A
- DType B
Correct answer
B. Type O
Step-by-step solution
Blood type ' O ' has no any antigen but both types of antibodies ' a ' and ' b '. The person with blood type ' O ' is universal donor.