Question

Rh factor was discovered by:

• A. Landsteiner
• B. Mendel
• C. Hugo
• D. Pearson

Hint:

The Rh factor plays a crucial role in blood compatibility, especially during transfusions and pregnancies.

Answer 1

The Correct Option is A

Karl Landsteiner, along with Alexander Wiener, discovered the Rh factor in 1940. This antigen, present on the surface of red blood cells, determines the Rh-positive or Rh-negative status of blood groups, which is critical for blood transfusions and pregnancy.