Question

. Rh-blood group system was discovered by Karl Landsteiner in
(1) 1930s
(2) 1940s
(3) 1950s
(4) 1960s

Answer 1

The correct answer is

1) 1930s

Please mark as brainliest

Answer 2

Good evening mate
Here is your answer .....
Karl landsteiner discovered RH blood in 1940s group system