The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC ,because "O" in it refers to having:

  • Option 1)

    overdominance of this type on the genes for A and B types.

  • Option 2)

    one antibody only - either anti- A or anti -B on the RBC;

  • Option 3)

    no antigens A and B on RBC_{S}

  • Option 4)

    other antigens besides A and B on RBC_{s} 

 

Answers (1)

As we learnt in

ABO Grouping of BLOOD -

ABO grouping is based on the presence or absence of two surface antigens (chemicals that can induce immune response) on the RBCs namely A and B. Similarly, the plasma of different individuals contain two natural antibodies (proteins produced in response to antigens). The distribution of antigens and antibodies in the four groups of blood, A, B, AB and O

- wherein

 

 


Option 1)

overdominance of this type on the genes for A and B types.

Incorrect

Option 2)

one antibody only - either anti- A or anti -B on the RBC;

Incorrect

Option 3)

no antigens A and B on RBC_{S}

Correct

Option 4)

other antigens besides A and B on RBC_{s} 

Incorrect

Preparation Products

JEE Main Rank Booster 2021

This course will help student to be better prepared and study in the right direction for JEE Main..

₹ 13999/- ₹ 9999/-
Buy Now
Knockout JEE Main April 2021 (Easy Installments)

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 4999/-
Buy Now
Knockout JEE Main April 2021

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 22999/- ₹ 14999/-
Buy Now
Knockout JEE Main April 2022

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 34999/- ₹ 24999/-
Buy Now
Knockout BITSAT 2021

It is an exhaustive preparation module made exclusively for cracking BITSAT..

₹ 4999/- ₹ 2999/-
Buy Now
Exams
Articles
Questions