Zoology - Principles of Inheritance and Variation Question with Solution | TestHub

ABO Blood group system $\begin{array}{cccc}\begin{array}{c}\text{ Blood }\\ \text{ group }\end{array}& \begin{array}{c}\text{ Antigen(s) }\\ \text{ present on }\\ \text{ the red blood }\\ \text{ cells }\end{array}& \begin{array}{c}\text{ Antibodies }\\ \text{ present }\\ \text{ in the }\\ \text{ serum }\end{array}& \begin{array}{c}\text{ Geno- }\\ \text{ type(s) }\end{array}\\ \text{ A }& \text{ A antigen }& \text{ Anti-B }& \begin{array}{c}\text{ AA or }\\ \text{ AO }\end{array}\\ \text{ B }& \text{ B antigen }& \text{ Anti-A }& \begin{array}{c}\mathrm{BB}\text{ or }\\ \text{ BO }\end{array}\\ \mathrm{AB}& \begin{array}{c}\text{ A antigen and }\\ \text{ B antigen }\end{array}& \text{ None }& \mathrm{AB}\\ \mathrm{O}& \begin{array}{c}\text{ B antigen }\end{array}& \begin{array}{c}\text{ Anti-A and }\\ \text{ Anti-B }\end{array}& \mathrm{OO}\end{array}$ Related Theory The ABO blood types were discovered by Karl Landsteiner in 1901.