Question: what is the origin of rh negative blood?
Answer: The Significance of Being Rh Negative or Rh Positive. In 1937, Karl Landsteiner and Alexander Weiner discovered a new blood type: the rhesus blood type, or Rh factor. The rhesus protein is named for the rhesus monkey, which also carries the gene, and is a protein that lives on the surface of the red blood cells.