General Knowledge - Basic General Knowledge - Discussion

55. 

The Rh factor refers to

[A]. a protein substance found in the blood of some people
[B]. a hormone carried by the blood
[C]. the ratio of red corpuscles to white corpuscles in the blood
[D]. a process that speeds up the clothing of blood

Answer: Option A

Explanation:

No answer description available for this question.

Makhan Rori said: (Oct 16, 2015)  
The Rh factor is a type of protein on the surface of red blood cells. Most people who have the Rh factor are Rh-positive. Those who do not have the Rh factor are Rh-negative.

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