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Q.
Which of these is a dominant factor ?
Haryana PMTHaryana PMT 2008
Solution:
Rh factor was first of all reported in RBCs of a monkey by Landsteiner and Weiner in $1940$. Person having Rh factor is called and without Rh factor $ Rh^{-}.Rh^{+} $ is dominant over $ Rh^{-}. $ About $85\%$ of world people are $ Rh^{+} $ and $15\%$ are of $ Rh^{-}. $ Percentage of $Rh^+$ people in India is $97\%$ of the population. $Rh$ factor is found in man and rhesus monkey, it is not reported from other animals.