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

  • A
    overdominance of this type on the genes for $A$ and $B$ types
  • B
    one antibody only - either anti-$A$ or anti-$B$ on the $RBCs$
  • C
    no antigens $A$ and $B$ on $RBCs$
  • D
    other antigens besides $A$ and $B$ on $RBCs$

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Similar Questions

The colloidal osmotic pressure of blood is primarily maintained by which plasma protein?

Which protein is essential for the blood clotting process?

Match the columns:
Column-$I$ (Blood group) Column-$II$ (Antigen present)
$A$. $A$ $p$. $B$
$B$. $B$ $q$. $A$
$C$. $AB$ $r$. $A$ and $B$
$D$. $O$ $s$. $A, B$ and $O$
$t$. $NIL$

The red colouring matter of blood which transports oxygen contains an element in a system of rings. The element is:

Which of the following are agranulocytes?

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