Question

Which blood group is called the "universal donor"?
1. A
2. B
3. O
4. AB​

Answer 1

Answer:

3. O (negative)

Explanation:

• There are 4 types of blood groups -

A ( positive and negative)

B ( positive and negative)

AB (Positive and negative)

O (Positive and negative)

• In all blood groups, You can see Positive and negative..

• Because of the presence and absence of RH antigen, Blood groups are further divided

• Among all blood Gropus-

O group, especially O- is known as universal donor.. because, it can donate blood to all other groups. But, it accepts blood only from the other O-

AB Group, especially AB+ is known aa universal acceptar.. because it accepts blood from all other groups. Butz It cannot donate blood to any of the group

Answer 2

Explanation:

O blood group is known as Universal Donor because it can be donated to to any person which have either of blood group A B or a b