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NEET 2004
Exam
NEET
Year
2004
Subject
Zoology
Chapter
Principles of Inheritance and Variation

NEET 2004 · Zoology · Principles of Inheritance and Variation

In the ABO system of blood groups, if both antigens are present but...

In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be:

Options

  1. AB\mathrm{B}
  2. BO\mathrm{O}
  3. CAB\mathrm{AB}
  4. DA\mathrm{A}.

Correct answer

C. AB\mathrm{AB}

Step-by-step solution

ABO Blood group system (
Blood</td></tr><tr><td>group\begin{array}{c} Blood</td></tr><tr><td>group \end{array}Antigen(s)</td></tr><tr><td>presenton</td></tr><tr><td>theredblood</td></tr><tr><td>cells\begin{array}{c} Antigen(s)</td></tr><tr><td>present on</td></tr><tr><td>the red blood</td></tr><tr><td>cells \end{array}Antibodies</td></tr><tr><td>present</td></tr><tr><td>inthe</td></tr><tr><td>serum\begin{array}{c} Antibodies</td></tr><tr><td>present</td></tr><tr><td>in the</td></tr><tr><td>serum \end{array}Geno−</td></tr><tr><td>type(s)\begin{array}{c} Geno-</td></tr><tr><td>type(s) \end{array}
AA antigenAnti-BAAor</td></tr><tr><td>AO\begin{array}{c} AA or</td></tr><tr><td>AO \end{array}
BB antigenAnti-ABBor</td></tr><tr><td>BO\begin{array}{c} BB or</td></tr><tr><td>BO \end{array}
ABAantigenand</td></tr><tr><td>Bantigen\begin{array}{c} A antigen and</td></tr><tr><td>B antigen \end{array}NoneAB
OBantigen\begin{array}{c} B antigen \end{array}Anti−Aand</td></tr><tr><td>Anti−B\begin{array}{c} Anti-A and</td></tr><tr><td>Anti-B \end{array}OO
) Related Theory The ABO blood types were discovered by Karl Landsteiner in 1901.
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