Question

Which animal has its blood composition nearly the same as of man?

• A. Gorilla
• B. Rhesus monkey
• C. Chimpanzee
• D. Baboon

Answer 1

Answer: (B)

The blood composition of man is nearly similar to rhesus monkey. There are $6$ common types of Rh antigen, each of which is known as Rh factor. They are designated as C, D, E, c, d and e. The type D antigen is widely prevalent in population. Anyone who has this type of antigen is said to be $R{h}^{+}$, whereas a person who does not have type D antigen is said to be Rh-.