Question

What is Rh factor?

Answer 1

Rh factor:

1. Rh factor is an inherited protein present on the surface of the red blood cells.
2. If Rh factor or antigen is present in red blood cells it is known as positive (+) blood group.
3. If Rh factor or antigen is absent in red blood cells it is known as negative (-) blood group.
4. The antigen was first discovered in the rhesus monkey so it is called rhesus factor.