A) monkey
B) gorilla
C) apes
D) pig
Correct Answer: A
Solution :
Rh factor was first of all reported in RBCs of monkey by Landsteiner and Weiner in 1940. Person with \[R{{h}^{+}}\] factor is called Rh and without Rh factor as \[R{{h}^{-}}\]If father is Rhr and mother Rh their first child will safe but other suffering from erythroblastosis fetals.You need to login to perform this action.
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