Zoology - Body Fluids and Circulation Question with Solution | TestHub

Landsteiner and Weiner (1940) disovered Rh antigens in the rhesus monkey. Now, it is found in most human beings. Human with this factor are said to be ${\mathrm{Rh}}^{+}$and humans without this factor are said to be ${\mathrm{Rh}}^{-}$. The problem due to Rh incompatibility arises when the blood of ${\mathrm{Rh}}^{+}$person and ${\mathrm{Rh}}^{-}$women mixes up during pregnancy or through blood transfusion.