Tag: immunity and blood groups

Questions Related to immunity and blood groups

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

A child of blood group O cannot have parents of blood groups

  1. AB and AB/O

  2. A and B

  3. B and B

  4. O and O.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A child with blood group O must have the genotype OO, inheriting one O allele from each parent. Parents with AB blood group cannot pass on an O allele, so they cannot have an O child.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

Blood transfusion is possible between groups

  1. Donor A and recipient O

  2. Donor B and recipient A

  3. Donor AB and recipient O

  4. Donor AB and recipient AB

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blood transfusion is safe when the recipient does not have antibodies against the donor's antigens. AB individuals have both A and B antigens, so they can receive blood from AB donors (as they have no anti-A or anti-B antibodies).

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

What cannot be the blood groups of the parents of a baby having blood group A?

  1. O and O

  2. O and A

  3. A and O

  4. A and A.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A child with blood group A can have genotype AA or AO. If parents are O (OO) and O (OO), they can only produce O children. Therefore, O and O parents cannot have an A child.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

O blood group is universal donor because the blood has

  1. Antigen A

  2. Antigen B

  3. Both antigens A and B

  4. No antigens.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Individuals with blood group O have neither A nor B antigens on their red blood cells, which prevents the recipient's antibodies from reacting with the donor's cells.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

A child has blood group B. Mother has blood group A. The blood group of the father would be

  1. O

  2. O or A

  3. B or AB

  4. A.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Child is B (genotype BO or BB). Mother is A (genotype AO or AA). To have a B child, the father must provide a B allele. Thus, the father could be B (BO or BB) or AB.