Multiple choice

Rh factor is present in which of the following?

  1. All vertebrates

  2. All mammals

  3. All reptiles

  4. Man and rhesus monkey

  5. -
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rh factor is an antigen that is found on the surface of red blood cells. Red blood cells with the antigen are said to be Rh positive (Rh+). This factor was first discovered in rhesus monkeys and hence, its name. Later on, Rh factor was also found in almost 85% of the human population.

Keep practicing — related questions