Tag: blood groups and compatibility advance

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

A boy has the blood group 0. What is true of the inheritance of this blood group in his case?

  1. His mother should be with AB blood group

  2. Both his parents could be heterozygous A group

  3. His father could be homozygous B group

  4. His mother could be homozygous A group
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

If the boy has blood group o, both his parents could probably be heterozygous A group, $I^AI^O$, in both the parents.

So, the correct option is 'Both his parents could be heterozygous A group'.

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

Rh factor was discovered by

  1. Landsteiner and Weiner

  2. William Harvey

  3. Malpighi

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Rh factor is an independent antigen present on the RBC irrespective of the presence of Antigen A or B. This factor is passed down from genus Rhesus macaque  (monkey) to humans and is regarded as the Rh factor it was discovered by Landsteiner and Weiner.

so, the correct answer is 'Landsteiner and Weiner'

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's blood group is `O'. The parents blood groups cannot be

  1. AB and 0

  2. B and 0

  3. A and B

  4. A and A
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A child with blood group O has the genotype ii, meaning they must inherit one i allele from each parent. Parents with AB (genotype IAIB) cannot pass on an i 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

A woman of blood group O' presented a baby of blood groupO' which she claimed as her child. She brought a suit against a man of 'AB' group as the father of the child. 

Which statement is correct as per your judgement

  1. The father and mother claimed are the true persons

  2. Father is true and mother is not the true person

  3. Both the parentage claims are false

  4. Mother is the true person and father claimed is not true
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A mother with blood group O (ii) can only have a child with blood group O if the father provides an i allele. A man with blood group AB (IAIB) does not possess the i allele and therefore cannot be the biological father of 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

In a medico-legal case of accidental interchange between two babies in a hospital, the baby of blood group A could not be rightly given to a people

  1. With both husband and wife of group 0

  2. Husband of group 0 and wife of group A

  3. Husband of group A and wife of group 0

  4. Both husband and wife of group A
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A child with blood group A (genotype IAIA or IAi) must have inherited at least one IA allele from a parent. If both parents are group O (ii), they cannot provide an IA allele, making it impossible for them to have a group 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

Which blood group called as universal donar?

  1. $AB$
  2. $A$
  3. $B$
  4. $O$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Type O ( specifically O negative ) blood is called the universal donor type because it is compatible with any blood type. O blood group does not contain any antigen hence does not result in transfusion reactions.


So, the correct option is 'O'.

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

Between persons of which two blood groups is the blood transfusion not possible

  1. 0 and AB (AB recipient)

  2. 0 and A (0 donor)

  3. 0 and B (0 donor)

  4. 0 and AB (AB donor)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The people of blood group AB can receive transfusions of blood from people of any of the four blood groups, are called universal recipients.

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

Which is true of blood group agglutination test?

  1. Blood group AB when coagulation occurs with antiserum A

  2. Blood group B when coagulation occurs with antiserum B

  3. Blood group O when coagulation occurs with antiserum A as well as B

  4. None of the above.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Agglutination occurs when an antibody binds to its corresponding antigen. Blood group B has B antigens, so it will agglutinate when mixed with anti-B antiserum.