Question

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Answer 1

Answer:

option A.....

Explanation:

The designation Rh is derived from the use of the blood of rhesus monkeys in the basic test for determining the presence of the Rh antigen in human blood. The Rh blood group system was discovered in 1940 by Karl Landsteiner and A.S. Weiner.

Answer 2

Answer:

The Rh factor was discovered in 1940 by Landsteiner and Wiener. 5 Rabbits were injected with the blood of the rhesus monkey (Macacus rhesus).