A pregnant woman with blood group O negative and her fetus is Rh positive. During her second pregnancy, which specific antibody crosses the placenta and causes erythroblastosis fetalis?
Anti-A IgM
Anti-B IgG
Anti-D IgG
Anti-O IgM
Related Questions
The blood group are controlled by
I-gene
c-gene
B-gene
n-gene
Example of co-dominance is
sickle cell anaemia
blood group
down’s syndrome
Klinefelter’s down syndrome
A person with blood group B receives a transfusion of blood group A. What is the most likely immediate consequence?
No reaction
Increased oxygen carrying capacity
Production of anti-A antibodies
Agglutination of red blood cells
Persons with ‘AB’ blood group are called as “Universal recipients”. This is due to:
Presence of antibodies, anti-A and anti-B, on RBCs
Absence of antibodies, anti-A and anti-B, in plasma
Absence of antigens A and B on the surface of RBCs
Absence of antigens A and B in plasma
In a paternity dispute, the mother has blood type O and the child has blood type B. Which of the following blood types could the father not have?
A
B
AB
O
Which blood group lacks both anti-A and anti-B antibodies in the plasma?
A
B
AB
O
Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups
The gene (I) has three alleles.
A person will have only two of three alleles.
When are present together, they express same type of sugar.
Allele ‘i’ does not produce any sugar.
Patient with unknown blood group needs immediate blood transfusion. In this case, which blood do you suggest to give that patient immediately?
Blood group-B
Blood group-AB
Blood group-A
Blood group-O
Why 1st child of Rh^+ husband and Rh^- wife doesn’t have erythroblastosis foetalis?
Due to the absence of Rh antigen in mother’s blood
Due to the presence of Rh antibodies in mother’s blood
Due to the absence of Rh antibodies in mother’s blood
Both (a) and ©
A man with blood group AB marries a woman with blood group O. How many different genotypes and phenotypes are possible among their children?
2 genotypes and 2 phenotypes
4 genotypes and 4 phenotypes
3 genotypes and 3 phenotypes
1 genotype and 1 phenotype
