Multiple choice

What percentage of humans worldwide possess the Rh antigen on their surface of RBCs?

  1. 50

  2. 60

  3. 70

  4. 80

  5. 100

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Rh antigen similar to one present in Rhesus monkeys is observed on the surface of RBCs of majority (nearly 80 percent) of humans.