Q. Rh factor is present in
A) All vertebrates
B) All mammals
C) All reptiles
D) Man and rhesus monkey only
Explanation
Rh factor was discovered by Landsteiner and Wiener (1940) in Rhesus monkey (ܯܽܿܽܿܽ ݎℎ݁ݏݑݏ(. It is found in man and rhesus monkey only. Erythroblastosis foetails occurs when the mother is Rh −, father is Rh+ and foetus is Rh +.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.