Human Genetic Variation
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    Sex
Number
of Students		 30    
25    
20    
15    
10    
5    
0    
    male female

 

    Noses per student
Number
of Students		 30      
25      
20      
15      
10      
5      
0      
0 1 2 3
    number

 

    Height
Number
of Students		 30                  
25                  
20                  
15                  
10                  
5                  
0                  
    150 155 160 165 170 175 180 185 190
    height (cm)

 

    Hair Color
Number
of Students		 30          
25          
20          
15          
10          
5          
0          
    black dark
brown		 light
brown		 blonde red
    color

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