Question
Biology Question on body fluids and circulation
Rh factor is present in
A
all vertebrates
B
all mammals
C
all reptiles
D
man and rhesus monkey only
Answer
man and rhesus monkey only
Explanation
Solution
Rh factor was discovered by K Landsteiner and A S Wiener (1940) from rabbits immunized with the blood of monkey Macaca, rhesus. It is found is man and rhesus monkey only.