Multiple choice

Who discovered the Rh factor in humans?

  1. Alexander Wiener

  2. Karl Landsteiner

  3. Erwin Popper

  4. Constantin Levaditi
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Alexander Wiener was an outstanding leader in the fields of forensic medicine, serology, and immunogenetics. His pioneer work led to discovery of the Rh factor in 1937. Since the progeny could inherit A or O alleles from one parent and B or O alleles from the other, you could be any of the 4 ABO types. Look at the other answers to see how this could be true.

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