HEREDITY
MULTIPLE ALLELES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
because type O blood does have antigens A and B.
|
|
|
because it doesn’t have A or B antigens that would cause it to be attacked by antibodies.
|
Detailed explanation-1: -Type O-blood (which has no antigen on its surface) will not react with antibodies in the recipient’s plasma. Anyone with type O-blood is called a universal donor. Those with type AB blood (which has no antibodies) are called universal recipients, because their plasma will not react with donated blood.
Detailed explanation-2: -People with type O-blood are called universal donors because their donated red blood cells have no A, B or Rh antigens and can therefore be safely given to people of any blood group.
Detailed explanation-3: -But if you have type O blood, your red blood cells have no A or B markers. So: Your body will have both A and B antibodies and will therefore feel the need to defend itself against A, B, and AB blood. A person with O blood can only get a transfusion with O blood.
Detailed explanation-4: -This is because the O blood type does not have the A or B antigen in its red blood cells. The anti-A and anti-B antibodies are found in the plasma of the O blood type which is not transfused with red blood cells.
Detailed explanation-5: -It’s because type O blood lacks any antigens, and therefore a person with type O blood has A, B, and Rh antibodies, assuming they are type O-negative.