Question

what is Rh-factor......?????

Answer 1

Rh-factor

In 1940, Landsteiner and Weiner discovered that apart from antigen A and B, another antigen discovered from Rhesus monkey, may be present on the surface of the RBCs in many people. This antigen was named as Rh-factor or Rhesus factor. The people (almost 85%- 90%) who possess the Rh-factor are called Rh+ and those who do not possess this factor are called Rh-

Answer 2

$\huge \mathfrak{Rh-factor}$

➡ Rh-factor is an inherited protein found on the surface of red blood cells.

➡ In 1940 the Rh-factor was discovered by K. Landsteiner and A. S. Wiener .

➡ They observed that an injection of blood from a rhesus monkey into rabbits caused an antigenic reaction in the serum component of rabbit blood .

➡ It type of protein, or antigen, on the surface of red blood cells .

➡ But if a pregnant woman is Rh negative and her fetus is Rh positive, her body may mount an immune response against the fetus's blood and cause harm to the woman .