This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Round to oval cross section of hair is found in which race 
Select and explain. 
A. Negroid's, B. Mongoloids, C. Caucasoid's, D. All of the above
C: Caucasoid's
Answer: C: Caucasoid's 
Explanation: Race determination from hair RACE CROSS SECTION Negroid's elliptical Caucasoids round to oval Mongoloids cylindrical